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Finding the Fourth Proportional to 510,337.09, 765,616.32 and 155,341.87

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Solution

The fourth proportional to 510,337.09, 765,616.32 and 155,341.87 is: 233,046.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,337.09 : 765,616.32 = 155,341.87 : x
  2. Step 2: Convert to fraction form
    510,337.09/765,616.32 = 155,341.87/x
  3. Step 3: Cross multiply
    510,337.09x = 765,616.32 × 155,341.87
  4. Step 4: Simplify right side
    510,337.09x = 118,932,268,937.28
  5. Step 5: Solve for x
    x = 118,932,268,937.28/510,337.09
  6. Step 6: Final answer
    x = 233,046.49

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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.