Home / 266,368.02-399,748.59-126,126.42

Finding the Fourth Proportional to 266,368.02, 399,748.59 and 126,126.42

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Solution

The fourth proportional to 266,368.02, 399,748.59 and 126,126.42 is: 189,282.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,368.02 : 399,748.59 = 126,126.42 : x
  2. Step 2: Convert to fraction form
    266,368.02/399,748.59 = 126,126.42/x
  3. Step 3: Cross multiply
    266,368.02x = 399,748.59 × 126,126.42
  4. Step 4: Simplify right side
    266,368.02x = 50,418,858,556.75
  5. Step 5: Solve for x
    x = 50,418,858,556.75/266,368.02
  6. Step 6: Final answer
    x = 189,282.70

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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.