Home / 238,822.98-329,575.70-131,390.71

Finding the Fourth Proportional to 238,822.98, 329,575.70 and 131,390.71

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Solution

The fourth proportional to 238,822.98, 329,575.70 and 131,390.71 is: 181,319.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,822.98 : 329,575.70 = 131,390.71 : x
  2. Step 2: Convert to fraction form
    238,822.98/329,575.70 = 131,390.71/x
  3. Step 3: Cross multiply
    238,822.98x = 329,575.70 × 131,390.71
  4. Step 4: Simplify right side
    238,822.98x = 43,303,182,916.92
  5. Step 5: Solve for x
    x = 43,303,182,916.92/238,822.98
  6. Step 6: Final answer
    x = 181,319.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.