Home / 224,387.50-309,633.18-123,779.02

Finding the Fourth Proportional to 224,387.50, 309,633.18 and 123,779.02

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Solution

The fourth proportional to 224,387.50, 309,633.18 and 123,779.02 is: 170,803.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,387.50 : 309,633.18 = 123,779.02 : x
  2. Step 2: Convert to fraction form
    224,387.50/309,633.18 = 123,779.02/x
  3. Step 3: Cross multiply
    224,387.50x = 309,633.18 × 123,779.02
  4. Step 4: Simplify right side
    224,387.50x = 38,326,091,579.88
  5. Step 5: Solve for x
    x = 38,326,091,579.88/224,387.50
  6. Step 6: Final answer
    x = 170,803.15

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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.