Home / 282,439.60-423,659.10-72,077.52

Finding the Fourth Proportional to 282,439.60, 423,659.10 and 72,077.52

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Solution

The fourth proportional to 282,439.60, 423,659.10 and 72,077.52 is: 108,116.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,439.60 : 423,659.10 = 72,077.52 : x
  2. Step 2: Convert to fraction form
    282,439.60/423,659.10 = 72,077.52/x
  3. Step 3: Cross multiply
    282,439.60x = 423,659.10 × 72,077.52
  4. Step 4: Simplify right side
    282,439.60x = 30,536,297,253.43
  5. Step 5: Solve for x
    x = 30,536,297,253.43/282,439.60
  6. Step 6: Final answer
    x = 108,116.20

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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.