Home / 231,519.28-347,042.11-156,647.33

Finding the Fourth Proportional to 231,519.28, 347,042.11 and 156,647.33

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Solution

The fourth proportional to 231,519.28, 347,042.11 and 156,647.33 is: 234,810.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,519.28 : 347,042.11 = 156,647.33 : x
  2. Step 2: Convert to fraction form
    231,519.28/347,042.11 = 156,647.33/x
  3. Step 3: Cross multiply
    231,519.28x = 347,042.11 × 156,647.33
  4. Step 4: Simplify right side
    231,519.28x = 54,363,219,929.07
  5. Step 5: Solve for x
    x = 54,363,219,929.07/231,519.28
  6. Step 6: Final answer
    x = 234,810.77

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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.