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Finding the Fourth Proportional to 346,508.48, 519,762.76 and 83,852.48

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Solution

The fourth proportional to 346,508.48, 519,762.76 and 83,852.48 is: 125,778.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,508.48 : 519,762.76 = 83,852.48 : x
  2. Step 2: Convert to fraction form
    346,508.48/519,762.76 = 83,852.48/x
  3. Step 3: Cross multiply
    346,508.48x = 519,762.76 × 83,852.48
  4. Step 4: Simplify right side
    346,508.48x = 43,583,396,437.64
  5. Step 5: Solve for x
    x = 43,583,396,437.64/346,508.48
  6. Step 6: Final answer
    x = 125,778.73

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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.