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Finding the Fourth Proportional to 334,447.60, 502,490.60 and 251,503.60

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Solution

The fourth proportional to 334,447.60, 502,490.60 and 251,503.60 is: 377,871.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,447.60 : 502,490.60 = 251,503.60 : x
  2. Step 2: Convert to fraction form
    334,447.60/502,490.60 = 251,503.60/x
  3. Step 3: Cross multiply
    334,447.60x = 502,490.60 × 251,503.60
  4. Step 4: Simplify right side
    334,447.60x = 126,378,194,866.16
  5. Step 5: Solve for x
    x = 126,378,194,866.16/334,447.60
  6. Step 6: Final answer
    x = 377,871.44

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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.