Home / 442,945.24-664,523.68-143,426.16

Finding the Fourth Proportional to 442,945.24, 664,523.68 and 143,426.16

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Solution

The fourth proportional to 442,945.24, 664,523.68 and 143,426.16 is: 215,173.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,945.24 : 664,523.68 = 143,426.16 : x
  2. Step 2: Convert to fraction form
    442,945.24/664,523.68 = 143,426.16/x
  3. Step 3: Cross multiply
    442,945.24x = 664,523.68 × 143,426.16
  4. Step 4: Simplify right side
    442,945.24x = 95,310,079,651.47
  5. Step 5: Solve for x
    x = 95,310,079,651.47/442,945.24
  6. Step 6: Final answer
    x = 215,173.50

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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.