Home / 231,454.40-347,215.20-98,334.40

Finding the Fourth Proportional to 231,454.40, 347,215.20 and 98,334.40

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Solution

The fourth proportional to 231,454.40, 347,215.20 and 98,334.40 is: 147,515.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,454.40 : 347,215.20 = 98,334.40 : x
  2. Step 2: Convert to fraction form
    231,454.40/347,215.20 = 98,334.40/x
  3. Step 3: Cross multiply
    231,454.40x = 347,215.20 × 98,334.40
  4. Step 4: Simplify right side
    231,454.40x = 34,143,198,362.88
  5. Step 5: Solve for x
    x = 34,143,198,362.88/231,454.40
  6. Step 6: Final answer
    x = 147,515.88

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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.