Home / 499,537.62-749,109.20-199,962.36

Finding the Fourth Proportional to 499,537.62, 749,109.20 and 199,962.36

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Solution

The fourth proportional to 499,537.62, 749,109.20 and 199,962.36 is: 299,864.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,537.62 : 749,109.20 = 199,962.36 : x
  2. Step 2: Convert to fraction form
    499,537.62/749,109.20 = 199,962.36/x
  3. Step 3: Cross multiply
    499,537.62x = 749,109.20 × 199,962.36
  4. Step 4: Simplify right side
    499,537.62x = 149,793,642,529.90
  5. Step 5: Solve for x
    x = 149,793,642,529.90/499,537.62
  6. Step 6: Final answer
    x = 299,864.59

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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.