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Finding the Fourth Proportional to 266,387.01, 367,613.82 and 153,209.76

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Solution

The fourth proportional to 266,387.01, 367,613.82 and 153,209.76 is: 211,429.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,387.01 : 367,613.82 = 153,209.76 : x
  2. Step 2: Convert to fraction form
    266,387.01/367,613.82 = 153,209.76/x
  3. Step 3: Cross multiply
    266,387.01x = 367,613.82 × 153,209.76
  4. Step 4: Simplify right side
    266,387.01x = 56,322,025,134.88
  5. Step 5: Solve for x
    x = 56,322,025,134.88/266,387.01
  6. Step 6: Final answer
    x = 211,429.32

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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.