Home / 231,427.56-347,073.28-98,306.76

Finding the Fourth Proportional to 231,427.56, 347,073.28 and 98,306.76

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Solution

The fourth proportional to 231,427.56, 347,073.28 and 98,306.76 is: 147,431.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,427.56 : 347,073.28 = 98,306.76 : x
  2. Step 2: Convert to fraction form
    231,427.56/347,073.28 = 98,306.76/x
  3. Step 3: Cross multiply
    231,427.56x = 347,073.28 × 98,306.76
  4. Step 4: Simplify right side
    231,427.56x = 34,119,649,639.37
  5. Step 5: Solve for x
    x = 34,119,649,639.37/231,427.56
  6. Step 6: Final answer
    x = 147,431.23

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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.