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Finding the Fourth Proportional to 266,717.33, 399,666.95 and 181,219.30

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Solution

The fourth proportional to 266,717.33, 399,666.95 and 181,219.30 is: 271,551.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,717.33 : 399,666.95 = 181,219.30 : x
  2. Step 2: Convert to fraction form
    266,717.33/399,666.95 = 181,219.30/x
  3. Step 3: Cross multiply
    266,717.33x = 399,666.95 × 181,219.30
  4. Step 4: Simplify right side
    266,717.33x = 72,427,364,366.02
  5. Step 5: Solve for x
    x = 72,427,364,366.02/266,717.33
  6. Step 6: Final answer
    x = 271,551.03

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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.