Home / 485,161.21-727,882.13-200,799.19

Finding the Fourth Proportional to 485,161.21, 727,882.13 and 200,799.19

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Solution

The fourth proportional to 485,161.21, 727,882.13 and 200,799.19 is: 301,256.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,161.21 : 727,882.13 = 200,799.19 : x
  2. Step 2: Convert to fraction form
    485,161.21/727,882.13 = 200,799.19/x
  3. Step 3: Cross multiply
    485,161.21x = 727,882.13 × 200,799.19
  4. Step 4: Simplify right side
    485,161.21x = 146,158,142,119.48
  5. Step 5: Solve for x
    x = 146,158,142,119.48/485,161.21
  6. Step 6: Final answer
    x = 301,256.86

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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.