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Finding the Fourth Proportional to 487,902.80, 731,854.20 and 251,166.80

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Solution

The fourth proportional to 487,902.80, 731,854.20 and 251,166.80 is: 376,750.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,902.80 : 731,854.20 = 251,166.80 : x
  2. Step 2: Convert to fraction form
    487,902.80/731,854.20 = 251,166.80/x
  3. Step 3: Cross multiply
    487,902.80x = 731,854.20 × 251,166.80
  4. Step 4: Simplify right side
    487,902.80x = 183,817,477,480.56
  5. Step 5: Solve for x
    x = 183,817,477,480.56/487,902.80
  6. Step 6: Final answer
    x = 376,750.20

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Similar ratio
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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.