Home / 231,631.10-347,446.65-163,979.90

Finding the Fourth Proportional to 231,631.10, 347,446.65 and 163,979.90

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Solution

The fourth proportional to 231,631.10, 347,446.65 and 163,979.90 is: 245,969.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,631.10 : 347,446.65 = 163,979.90 : x
  2. Step 2: Convert to fraction form
    231,631.10/347,446.65 = 163,979.90/x
  3. Step 3: Cross multiply
    231,631.10x = 347,446.65 × 163,979.90
  4. Step 4: Simplify right side
    231,631.10x = 56,974,266,922.34
  5. Step 5: Solve for x
    x = 56,974,266,922.34/231,631.10
  6. Step 6: Final answer
    x = 245,969.85

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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.