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Finding the Fourth Proportional to 508,329.92, 762,500.35 and 153,347.02

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Solution

The fourth proportional to 508,329.92, 762,500.35 and 153,347.02 is: 230,022.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,329.92 : 762,500.35 = 153,347.02 : x
  2. Step 2: Convert to fraction form
    508,329.92/762,500.35 = 153,347.02/x
  3. Step 3: Cross multiply
    508,329.92x = 762,500.35 × 153,347.02
  4. Step 4: Simplify right side
    508,329.92x = 116,927,152,608.96
  5. Step 5: Solve for x
    x = 116,927,152,608.96/508,329.92
  6. Step 6: Final answer
    x = 230,022.17

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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.