Home / 231,887.10-347,628.15-89,829.30

Finding the Fourth Proportional to 231,887.10, 347,628.15 and 89,829.30

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Solution

The fourth proportional to 231,887.10, 347,628.15 and 89,829.30 is: 134,665.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,887.10 : 347,628.15 = 89,829.30 : x
  2. Step 2: Convert to fraction form
    231,887.10/347,628.15 = 89,829.30/x
  3. Step 3: Cross multiply
    231,887.10x = 347,628.15 × 89,829.30
  4. Step 4: Simplify right side
    231,887.10x = 31,227,193,374.80
  5. Step 5: Solve for x
    x = 31,227,193,374.80/231,887.10
  6. Step 6: Final answer
    x = 134,665.50

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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.