Home / 238,854.60-358,420.38-120,535.20

Finding the Fourth Proportional to 238,854.60, 358,420.38 and 120,535.20

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Solution

The fourth proportional to 238,854.60, 358,420.38 and 120,535.20 is: 180,872.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,854.60 : 358,420.38 = 120,535.20 : x
  2. Step 2: Convert to fraction form
    238,854.60/358,420.38 = 120,535.20/x
  3. Step 3: Cross multiply
    238,854.60x = 358,420.38 × 120,535.20
  4. Step 4: Simplify right side
    238,854.60x = 43,202,272,187.38
  5. Step 5: Solve for x
    x = 43,202,272,187.38/238,854.60
  6. Step 6: Final answer
    x = 180,872.68

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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.