Home / 231,385.83-347,111.66-71,475.35

Finding the Fourth Proportional to 231,385.83, 347,111.66 and 71,475.35

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Solution

The fourth proportional to 231,385.83, 347,111.66 and 71,475.35 is: 107,223.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,385.83 : 347,111.66 = 71,475.35 : x
  2. Step 2: Convert to fraction form
    231,385.83/347,111.66 = 71,475.35/x
  3. Step 3: Cross multiply
    231,385.83x = 347,111.66 × 71,475.35
  4. Step 4: Simplify right side
    231,385.83x = 24,809,927,387.58
  5. Step 5: Solve for x
    x = 24,809,927,387.58/231,385.83
  6. Step 6: Final answer
    x = 107,223.19

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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.