Home / 442,934.52-664,507.61-143,415.43

Finding the Fourth Proportional to 442,934.52, 664,507.61 and 143,415.43

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Solution

The fourth proportional to 442,934.52, 664,507.61 and 143,415.43 is: 215,157.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,934.52 : 664,507.61 = 143,415.43 : x
  2. Step 2: Convert to fraction form
    442,934.52/664,507.61 = 143,415.43/x
  3. Step 3: Cross multiply
    442,934.52x = 664,507.61 × 143,415.43
  4. Step 4: Simplify right side
    442,934.52x = 95,300,642,248.08
  5. Step 5: Solve for x
    x = 95,300,642,248.08/442,934.52
  6. Step 6: Final answer
    x = 215,157.41

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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.