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Finding the Fourth Proportional to 635,502.13, 953,252.42 and 162,187.54

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Solution

The fourth proportional to 635,502.13, 953,252.42 and 162,187.54 is: 243,281.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,502.13 : 953,252.42 = 162,187.54 : x
  2. Step 2: Convert to fraction form
    635,502.13/953,252.42 = 162,187.54/x
  3. Step 3: Cross multiply
    635,502.13x = 953,252.42 × 162,187.54
  4. Step 4: Simplify right side
    635,502.13x = 154,605,664,998.85
  5. Step 5: Solve for x
    x = 154,605,664,998.85/635,502.13
  6. Step 6: Final answer
    x = 243,281.11

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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.