Home / 217,779.30-326,710.26-75,619.04

Finding the Fourth Proportional to 217,779.30, 326,710.26 and 75,619.04

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Solution

The fourth proportional to 217,779.30, 326,710.26 and 75,619.04 is: 113,442.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,779.30 : 326,710.26 = 75,619.04 : x
  2. Step 2: Convert to fraction form
    217,779.30/326,710.26 = 75,619.04/x
  3. Step 3: Cross multiply
    217,779.30x = 326,710.26 × 75,619.04
  4. Step 4: Simplify right side
    217,779.30x = 24,705,514,585.80
  5. Step 5: Solve for x
    x = 24,705,514,585.80/217,779.30
  6. Step 6: Final answer
    x = 113,442.90

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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.