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Finding the Fourth Proportional to 266,717.68, 400,235.64 and 95,925.12

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Solution

The fourth proportional to 266,717.68, 400,235.64 and 95,925.12 is: 143,944.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,717.68 : 400,235.64 = 95,925.12 : x
  2. Step 2: Convert to fraction form
    266,717.68/400,235.64 = 95,925.12/x
  3. Step 3: Cross multiply
    266,717.68x = 400,235.64 × 95,925.12
  4. Step 4: Simplify right side
    266,717.68x = 38,392,651,795.28
  5. Step 5: Solve for x
    x = 38,392,651,795.28/266,717.68
  6. Step 6: Final answer
    x = 143,944.91

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1.5x scale

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.