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Finding the Fourth Proportional to 635,503.16, 953,253.92 and 162,188.52

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Solution

The fourth proportional to 635,503.16, 953,253.92 and 162,188.52 is: 243,282.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,503.16 : 953,253.92 = 162,188.52 : x
  2. Step 2: Convert to fraction form
    635,503.16/953,253.92 = 162,188.52/x
  3. Step 3: Cross multiply
    635,503.16x = 953,253.92 × 162,188.52
  4. Step 4: Simplify right side
    635,503.16x = 154,606,842,469.00
  5. Step 5: Solve for x
    x = 154,606,842,469.00/635,503.16
  6. Step 6: Final answer
    x = 243,282.57

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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.