Home / 829,098.10-1,243,508.03-230,120.11

Finding the Fourth Proportional to 829,098.10, 1,243,508.03 and 230,120.11

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Solution

The fourth proportional to 829,098.10, 1,243,508.03 and 230,120.11 is: 345,141.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,098.10 : 1,243,508.03 = 230,120.11 : x
  2. Step 2: Convert to fraction form
    829,098.10/1,243,508.03 = 230,120.11/x
  3. Step 3: Cross multiply
    829,098.10x = 1,243,508.03 × 230,120.11
  4. Step 4: Simplify right side
    829,098.10x = 286,156,204,649.48
  5. Step 5: Solve for x
    x = 286,156,204,649.48/829,098.10
  6. Step 6: Final answer
    x = 345,141.55

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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.