Home / 231,427.43-347,141.16-98,214.28

Finding the Fourth Proportional to 231,427.43, 347,141.16 and 98,214.28

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Solution

The fourth proportional to 231,427.43, 347,141.16 and 98,214.28 is: 147,321.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,427.43 : 347,141.16 = 98,214.28 : x
  2. Step 2: Convert to fraction form
    231,427.43/347,141.16 = 98,214.28/x
  3. Step 3: Cross multiply
    231,427.43x = 347,141.16 × 98,214.28
  4. Step 4: Simplify right side
    231,427.43x = 34,094,219,087.76
  5. Step 5: Solve for x
    x = 34,094,219,087.76/231,427.43
  6. Step 6: Final answer
    x = 147,321.43

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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.