Home / 266,331.40-367,534.90-145,472.65

Finding the Fourth Proportional to 266,331.40, 367,534.90 and 145,472.65

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Solution

The fourth proportional to 266,331.40, 367,534.90 and 145,472.65 is: 200,750.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,331.40 : 367,534.90 = 145,472.65 : x
  2. Step 2: Convert to fraction form
    266,331.40/367,534.90 = 145,472.65/x
  3. Step 3: Cross multiply
    266,331.40x = 367,534.90 × 145,472.65
  4. Step 4: Simplify right side
    266,331.40x = 53,466,275,870.49
  5. Step 5: Solve for x
    x = 53,466,275,870.49/266,331.40
  6. Step 6: Final answer
    x = 200,750.93

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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.