Home / 438,513.23-657,769.82-165,010.83

Finding the Fourth Proportional to 438,513.23, 657,769.82 and 165,010.83

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Solution

The fourth proportional to 438,513.23, 657,769.82 and 165,010.83 is: 247,516.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,513.23 : 657,769.82 = 165,010.83 : x
  2. Step 2: Convert to fraction form
    438,513.23/657,769.82 = 165,010.83/x
  3. Step 3: Cross multiply
    438,513.23x = 657,769.82 × 165,010.83
  4. Step 4: Simplify right side
    438,513.23x = 108,539,143,122.10
  5. Step 5: Solve for x
    x = 108,539,143,122.10/438,513.23
  6. Step 6: Final answer
    x = 247,516.24

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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.