Home / 499,377.64-749,063.16-199,927.48

Finding the Fourth Proportional to 499,377.64, 749,063.16 and 199,927.48

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Solution

The fourth proportional to 499,377.64, 749,063.16 and 199,927.48 is: 299,889.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,377.64 : 749,063.16 = 199,927.48 : x
  2. Step 2: Convert to fraction form
    499,377.64/749,063.16 = 199,927.48/x
  3. Step 3: Cross multiply
    499,377.64x = 749,063.16 × 199,927.48
  4. Step 4: Simplify right side
    499,377.64x = 149,758,309,939.64
  5. Step 5: Solve for x
    x = 149,758,309,939.64/499,377.64
  6. Step 6: Final answer
    x = 299,889.90

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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.