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Finding the Fourth Proportional to 266,992.76, 400,549.12 and 89,495.23

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Solution

The fourth proportional to 266,992.76, 400,549.12 and 89,495.23 is: 134,262.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,992.76 : 400,549.12 = 89,495.23 : x
  2. Step 2: Convert to fraction form
    266,992.76/400,549.12 = 89,495.23/x
  3. Step 3: Cross multiply
    266,992.76x = 400,549.12 × 89,495.23
  4. Step 4: Simplify right side
    266,992.76x = 35,847,233,617.95
  5. Step 5: Solve for x
    x = 35,847,233,617.95/266,992.76
  6. Step 6: Final answer
    x = 134,262.94

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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.