Home / 238,870.16-329,648.64-131,447.96

Finding the Fourth Proportional to 238,870.16, 329,648.64 and 131,447.96

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Solution

The fourth proportional to 238,870.16, 329,648.64 and 131,447.96 is: 181,402.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,870.16 : 329,648.64 = 131,447.96 : x
  2. Step 2: Convert to fraction form
    238,870.16/329,648.64 = 131,447.96/x
  3. Step 3: Cross multiply
    238,870.16x = 329,648.64 × 131,447.96
  4. Step 4: Simplify right side
    238,870.16x = 43,331,641,244.77
  5. Step 5: Solve for x
    x = 43,331,641,244.77/238,870.16
  6. Step 6: Final answer
    x = 181,402.49

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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.