Home / 231,740.30-347,869.65-216,512.30

Finding the Fourth Proportional to 231,740.30, 347,869.65 and 216,512.30

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Solution

The fourth proportional to 231,740.30, 347,869.65 and 216,512.30 is: 325,010.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,740.30 : 347,869.65 = 216,512.30 : x
  2. Step 2: Convert to fraction form
    231,740.30/347,869.65 = 216,512.30/x
  3. Step 3: Cross multiply
    231,740.30x = 347,869.65 × 216,512.30
  4. Step 4: Simplify right side
    231,740.30x = 75,318,058,021.70
  5. Step 5: Solve for x
    x = 75,318,058,021.70/231,740.30
  6. Step 6: Final answer
    x = 325,010.62

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1.5x scale

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.