Home / 266,904.28-400,514.34-98,542

Finding the Fourth Proportional to 266,904.28, 400,514.34 and 98,542

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Solution

The fourth proportional to 266,904.28, 400,514.34 and 98,542 is: 147,871.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,904.28 : 400,514.34 = 98,542 : x
  2. Step 2: Convert to fraction form
    266,904.28/400,514.34 = 98,542/x
  3. Step 3: Cross multiply
    266,904.28x = 400,514.34 × 98,542
  4. Step 4: Simplify right side
    266,904.28x = 39,467,484,092.28
  5. Step 5: Solve for x
    x = 39,467,484,092.28/266,904.28
  6. Step 6: Final answer
    x = 147,871.30

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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.