Home / 442,723.08-663,690.15-162,174.72

Finding the Fourth Proportional to 442,723.08, 663,690.15 and 162,174.72

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Solution

The fourth proportional to 442,723.08, 663,690.15 and 162,174.72 is: 243,117.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,723.08 : 663,690.15 = 162,174.72 : x
  2. Step 2: Convert to fraction form
    442,723.08/663,690.15 = 162,174.72/x
  3. Step 3: Cross multiply
    442,723.08x = 663,690.15 × 162,174.72
  4. Step 4: Simplify right side
    442,723.08x = 107,633,764,243.01
  5. Step 5: Solve for x
    x = 107,633,764,243.01/442,723.08
  6. Step 6: Final answer
    x = 243,117.58

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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.