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Finding the Fourth Proportional to 238,325.92, 328,898.64 and 130,899.04

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Solution

The fourth proportional to 238,325.92, 328,898.64 and 130,899.04 is: 180,645.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,325.92 : 328,898.64 = 130,899.04 : x
  2. Step 2: Convert to fraction form
    238,325.92/328,898.64 = 130,899.04/x
  3. Step 3: Cross multiply
    238,325.92x = 328,898.64 × 130,899.04
  4. Step 4: Simplify right side
    238,325.92x = 43,052,516,233.31
  5. Step 5: Solve for x
    x = 43,052,516,233.31/238,325.92
  6. Step 6: Final answer
    x = 180,645.55

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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.