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Finding the Fourth Proportional to 371,259.72, 557,123.86 and 158,027.29

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Solution

The fourth proportional to 371,259.72, 557,123.86 and 158,027.29 is: 237,140.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,259.72 : 557,123.86 = 158,027.29 : x
  2. Step 2: Convert to fraction form
    371,259.72/557,123.86 = 158,027.29/x
  3. Step 3: Cross multiply
    371,259.72x = 557,123.86 × 158,027.29
  4. Step 4: Simplify right side
    371,259.72x = 88,040,772,501.13
  5. Step 5: Solve for x
    x = 88,040,772,501.13/371,259.72
  6. Step 6: Final answer
    x = 237,140.65

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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.