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Finding the Fourth Proportional to 510,428.08, 765,752.82 and 155,432.80

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Solution

The fourth proportional to 510,428.08, 765,752.82 and 155,432.80 is: 233,182.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,428.08 : 765,752.82 = 155,432.80 : x
  2. Step 2: Convert to fraction form
    510,428.08/765,752.82 = 155,432.80/x
  3. Step 3: Cross multiply
    510,428.08x = 765,752.82 × 155,432.80
  4. Step 4: Simplify right side
    510,428.08x = 119,023,104,920.50
  5. Step 5: Solve for x
    x = 119,023,104,920.50/510,428.08
  6. Step 6: Final answer
    x = 233,182.91

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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.