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Finding the Fourth Proportional to 334,996.40, 502,494.60 and 185,697.20

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Solution

The fourth proportional to 334,996.40, 502,494.60 and 185,697.20 is: 278,545.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,996.40 : 502,494.60 = 185,697.20 : x
  2. Step 2: Convert to fraction form
    334,996.40/502,494.60 = 185,697.20/x
  3. Step 3: Cross multiply
    334,996.40x = 502,494.60 × 185,697.20
  4. Step 4: Simplify right side
    334,996.40x = 93,311,840,235.12
  5. Step 5: Solve for x
    x = 93,311,840,235.12/334,996.40
  6. Step 6: Final answer
    x = 278,545.80

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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.