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Finding the Fourth Proportional to 346,498.26, 519,747.40 and 83,842.26

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Solution

The fourth proportional to 346,498.26, 519,747.40 and 83,842.26 is: 125,763.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,498.26 : 519,747.40 = 83,842.26 : x
  2. Step 2: Convert to fraction form
    346,498.26/519,747.40 = 83,842.26/x
  3. Step 3: Cross multiply
    346,498.26x = 519,747.40 × 83,842.26
  4. Step 4: Simplify right side
    346,498.26x = 43,576,796,645.12
  5. Step 5: Solve for x
    x = 43,576,796,645.12/346,498.26
  6. Step 6: Final answer
    x = 125,763.39

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.