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Finding the Fourth Proportional to 335,118, 502,757.20 and 98,455.44

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Solution

The fourth proportional to 335,118, 502,757.20 and 98,455.44 is: 147,706.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,118 : 502,757.20 = 98,455.44 : x
  2. Step 2: Convert to fraction form
    335,118/502,757.20 = 98,455.44/x
  3. Step 3: Cross multiply
    335,118x = 502,757.20 × 98,455.44
  4. Step 4: Simplify right side
    335,118x = 49,499,181,339.17
  5. Step 5: Solve for x
    x = 49,499,181,339.17/335,118
  6. Step 6: Final answer
    x = 147,706.72

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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.