Home / 272,248.08-408,372.12-112,321.68

Finding the Fourth Proportional to 272,248.08, 408,372.12 and 112,321.68

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Solution

The fourth proportional to 272,248.08, 408,372.12 and 112,321.68 is: 168,482.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,248.08 : 408,372.12 = 112,321.68 : x
  2. Step 2: Convert to fraction form
    272,248.08/408,372.12 = 112,321.68/x
  3. Step 3: Cross multiply
    272,248.08x = 408,372.12 × 112,321.68
  4. Step 4: Simplify right side
    272,248.08x = 45,869,042,583.56
  5. Step 5: Solve for x
    x = 45,869,042,583.56/272,248.08
  6. Step 6: Final answer
    x = 168,482.52

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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.