Home / 238,541.32-329,187.50-129,646.27

Finding the Fourth Proportional to 238,541.32, 329,187.50 and 129,646.27

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Solution

The fourth proportional to 238,541.32, 329,187.50 and 129,646.27 is: 178,912.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,541.32 : 329,187.50 = 129,646.27 : x
  2. Step 2: Convert to fraction form
    238,541.32/329,187.50 = 129,646.27/x
  3. Step 3: Cross multiply
    238,541.32x = 329,187.50 × 129,646.27
  4. Step 4: Simplify right side
    238,541.32x = 42,677,931,505.63
  5. Step 5: Solve for x
    x = 42,677,931,505.63/238,541.32
  6. Step 6: Final answer
    x = 178,912.11

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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.