Home / 231,429.56-347,076.28-98,308.76

Finding the Fourth Proportional to 231,429.56, 347,076.28 and 98,308.76

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Solution

The fourth proportional to 231,429.56, 347,076.28 and 98,308.76 is: 147,434.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,429.56 : 347,076.28 = 98,308.76 : x
  2. Step 2: Convert to fraction form
    231,429.56/347,076.28 = 98,308.76/x
  3. Step 3: Cross multiply
    231,429.56x = 347,076.28 × 98,308.76
  4. Step 4: Simplify right side
    231,429.56x = 34,120,638,712.21
  5. Step 5: Solve for x
    x = 34,120,638,712.21/231,429.56
  6. Step 6: Final answer
    x = 147,434.23

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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.