Home / 231,947.40-347,921.10-172,898.40

Finding the Fourth Proportional to 231,947.40, 347,921.10 and 172,898.40

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Solution

The fourth proportional to 231,947.40, 347,921.10 and 172,898.40 is: 259,347.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,947.40 : 347,921.10 = 172,898.40 : x
  2. Step 2: Convert to fraction form
    231,947.40/347,921.10 = 172,898.40/x
  3. Step 3: Cross multiply
    231,947.40x = 347,921.10 × 172,898.40
  4. Step 4: Simplify right side
    231,947.40x = 60,155,001,516.24
  5. Step 5: Solve for x
    x = 60,155,001,516.24/231,947.40
  6. Step 6: Final answer
    x = 259,347.60

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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.