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Finding the Fourth Proportional to 335,151.52, 502,443.88 and 145,469.32

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Solution

The fourth proportional to 335,151.52, 502,443.88 and 145,469.32 is: 218,080.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,151.52 : 502,443.88 = 145,469.32 : x
  2. Step 2: Convert to fraction form
    335,151.52/502,443.88 = 145,469.32/x
  3. Step 3: Cross multiply
    335,151.52x = 502,443.88 × 145,469.32
  4. Step 4: Simplify right side
    335,151.52x = 73,090,167,941.98
  5. Step 5: Solve for x
    x = 73,090,167,941.98/335,151.52
  6. Step 6: Final answer
    x = 218,080.97

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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.