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Finding the Fourth Proportional to 266,967.77, 399,948.23 and 207,514.58

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Solution

The fourth proportional to 266,967.77, 399,948.23 and 207,514.58 is: 310,880.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,967.77 : 399,948.23 = 207,514.58 : x
  2. Step 2: Convert to fraction form
    266,967.77/399,948.23 = 207,514.58/x
  3. Step 3: Cross multiply
    266,967.77x = 399,948.23 × 207,514.58
  4. Step 4: Simplify right side
    266,967.77x = 82,995,087,489.24
  5. Step 5: Solve for x
    x = 82,995,087,489.24/266,967.77
  6. Step 6: Final answer
    x = 310,880.56

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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.