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Finding the Fourth Proportional to 510,949.88, 765,948.28 and 173,760.12

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Solution

The fourth proportional to 510,949.88, 765,948.28 and 173,760.12 is: 260,478.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,949.88 : 765,948.28 = 173,760.12 : x
  2. Step 2: Convert to fraction form
    510,949.88/765,948.28 = 173,760.12/x
  3. Step 3: Cross multiply
    510,949.88x = 765,948.28 × 173,760.12
  4. Step 4: Simplify right side
    510,949.88x = 133,091,265,046.59
  5. Step 5: Solve for x
    x = 133,091,265,046.59/510,949.88
  6. Step 6: Final answer
    x = 260,478.12

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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.