Home / 266,229.88-367,412.20-145,382.40

Finding the Fourth Proportional to 266,229.88, 367,412.20 and 145,382.40

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Solution

The fourth proportional to 266,229.88, 367,412.20 and 145,382.40 is: 200,635.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,229.88 : 367,412.20 = 145,382.40 : x
  2. Step 2: Convert to fraction form
    266,229.88/367,412.20 = 145,382.40/x
  3. Step 3: Cross multiply
    266,229.88x = 367,412.20 × 145,382.40
  4. Step 4: Simplify right side
    266,229.88x = 53,415,267,425.28
  5. Step 5: Solve for x
    x = 53,415,267,425.28/266,229.88
  6. Step 6: Final answer
    x = 200,635.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.