Home / 281,217.04-388,079.52-153,892.64

Finding the Fourth Proportional to 281,217.04, 388,079.52 and 153,892.64

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Solution

The fourth proportional to 281,217.04, 388,079.52 and 153,892.64 is: 212,371.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,217.04 : 388,079.52 = 153,892.64 : x
  2. Step 2: Convert to fraction form
    281,217.04/388,079.52 = 153,892.64/x
  3. Step 3: Cross multiply
    281,217.04x = 388,079.52 × 153,892.64
  4. Step 4: Simplify right side
    281,217.04x = 59,722,581,862.73
  5. Step 5: Solve for x
    x = 59,722,581,862.73/281,217.04
  6. Step 6: Final answer
    x = 212,371.85

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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.