Home / 499,844.10-749,110.05-200,079.30

Finding the Fourth Proportional to 499,844.10, 749,110.05 and 200,079.30

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Solution

The fourth proportional to 499,844.10, 749,110.05 and 200,079.30 is: 299,856.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,844.10 : 749,110.05 = 200,079.30 : x
  2. Step 2: Convert to fraction form
    499,844.10/749,110.05 = 200,079.30/x
  3. Step 3: Cross multiply
    499,844.10x = 749,110.05 × 200,079.30
  4. Step 4: Simplify right side
    499,844.10x = 149,881,414,426.97
  5. Step 5: Solve for x
    x = 149,881,414,426.97/499,844.10
  6. Step 6: Final answer
    x = 299,856.32

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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.