Home / 266,424.03-399,291.55-199,337.80

Finding the Fourth Proportional to 266,424.03, 399,291.55 and 199,337.80

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Solution

The fourth proportional to 266,424.03, 399,291.55 and 199,337.80 is: 298,748.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,424.03 : 399,291.55 = 199,337.80 : x
  2. Step 2: Convert to fraction form
    266,424.03/399,291.55 = 199,337.80/x
  3. Step 3: Cross multiply
    266,424.03x = 399,291.55 × 199,337.80
  4. Step 4: Simplify right side
    266,424.03x = 79,593,899,135.59
  5. Step 5: Solve for x
    x = 79,593,899,135.59/266,424.03
  6. Step 6: Final answer
    x = 298,748.95

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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.