Home / 266,234.91-398,417.24-229,241.80

Finding the Fourth Proportional to 266,234.91, 398,417.24 and 229,241.80

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Solution

The fourth proportional to 266,234.91, 398,417.24 and 229,241.80 is: 343,057.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,234.91 : 398,417.24 = 229,241.80 : x
  2. Step 2: Convert to fraction form
    266,234.91/398,417.24 = 229,241.80/x
  3. Step 3: Cross multiply
    266,234.91x = 398,417.24 × 229,241.80
  4. Step 4: Simplify right side
    266,234.91x = 91,333,885,248.63
  5. Step 5: Solve for x
    x = 91,333,885,248.63/266,234.91
  6. Step 6: Final answer
    x = 343,057.52

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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.