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Finding the Fourth Proportional to 510,777.81, 766,166.75 and 240,843.12

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Solution

The fourth proportional to 510,777.81, 766,166.75 and 240,843.12 is: 361,264.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,777.81 : 766,166.75 = 240,843.12 : x
  2. Step 2: Convert to fraction form
    510,777.81/766,166.75 = 240,843.12/x
  3. Step 3: Cross multiply
    510,777.81x = 766,166.75 × 240,843.12
  4. Step 4: Simplify right side
    510,777.81x = 184,525,989,306.04
  5. Step 5: Solve for x
    x = 184,525,989,306.04/510,777.81
  6. Step 6: Final answer
    x = 361,264.69

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Similar ratio
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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.