Home / 346,498.20-519,488.10-188,904.60

Finding the Fourth Proportional to 346,498.20, 519,488.10 and 188,904.60

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Solution

The fourth proportional to 346,498.20, 519,488.10 and 188,904.60 is: 283,215.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,498.20 : 519,488.10 = 188,904.60 : x
  2. Step 2: Convert to fraction form
    346,498.20/519,488.10 = 188,904.60/x
  3. Step 3: Cross multiply
    346,498.20x = 519,488.10 × 188,904.60
  4. Step 4: Simplify right side
    346,498.20x = 98,133,691,735.26
  5. Step 5: Solve for x
    x = 98,133,691,735.26/346,498.20
  6. Step 6: Final answer
    x = 283,215.59

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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.