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Finding the Fourth Proportional to 510,233.40, 765,350.10 and 155,246.85

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Solution

The fourth proportional to 510,233.40, 765,350.10 and 155,246.85 is: 232,870.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,233.40 : 765,350.10 = 155,246.85 : x
  2. Step 2: Convert to fraction form
    510,233.40/765,350.10 = 155,246.85/x
  3. Step 3: Cross multiply
    510,233.40x = 765,350.10 × 155,246.85
  4. Step 4: Simplify right side
    510,233.40x = 118,818,192,172.19
  5. Step 5: Solve for x
    x = 118,818,192,172.19/510,233.40
  6. Step 6: Final answer
    x = 232,870.28

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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.