Home / 231,311.28-347,065.32-98,220.18

Finding the Fourth Proportional to 231,311.28, 347,065.32 and 98,220.18

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Solution

The fourth proportional to 231,311.28, 347,065.32 and 98,220.18 is: 147,372.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,311.28 : 347,065.32 = 98,220.18 : x
  2. Step 2: Convert to fraction form
    231,311.28/347,065.32 = 98,220.18/x
  3. Step 3: Cross multiply
    231,311.28x = 347,065.32 × 98,220.18
  4. Step 4: Simplify right side
    231,311.28x = 34,088,818,202.16
  5. Step 5: Solve for x
    x = 34,088,818,202.16/231,311.28
  6. Step 6: Final answer
    x = 147,372.05

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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.