Home / 442,614.60-663,921.90-110,190.60

Finding the Fourth Proportional to 442,614.60, 663,921.90 and 110,190.60

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Solution

The fourth proportional to 442,614.60, 663,921.90 and 110,190.60 is: 165,285.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,614.60 : 663,921.90 = 110,190.60 : x
  2. Step 2: Convert to fraction form
    442,614.60/663,921.90 = 110,190.60/x
  3. Step 3: Cross multiply
    442,614.60x = 663,921.90 × 110,190.60
  4. Step 4: Simplify right side
    442,614.60x = 73,157,952,514.14
  5. Step 5: Solve for x
    x = 73,157,952,514.14/442,614.60
  6. Step 6: Final answer
    x = 165,285.90

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1.5x scale

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.