Home / 266,255.10-367,434.07-151,542.55

Finding the Fourth Proportional to 266,255.10, 367,434.07 and 151,542.55

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Solution

The fourth proportional to 266,255.10, 367,434.07 and 151,542.55 is: 209,129.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,255.10 : 367,434.07 = 151,542.55 : x
  2. Step 2: Convert to fraction form
    266,255.10/367,434.07 = 151,542.55/x
  3. Step 3: Cross multiply
    266,255.10x = 367,434.07 × 151,542.55
  4. Step 4: Simplify right side
    266,255.10x = 55,681,894,790.72
  5. Step 5: Solve for x
    x = 55,681,894,790.72/266,255.10
  6. Step 6: Final answer
    x = 209,129.87

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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.