Home / 229,461.18-344,139.78-87,255.75

Finding the Fourth Proportional to 229,461.18, 344,139.78 and 87,255.75

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Solution

The fourth proportional to 229,461.18, 344,139.78 and 87,255.75 is: 130,863.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,461.18 : 344,139.78 = 87,255.75 : x
  2. Step 2: Convert to fraction form
    229,461.18/344,139.78 = 87,255.75/x
  3. Step 3: Cross multiply
    229,461.18x = 344,139.78 × 87,255.75
  4. Step 4: Simplify right side
    229,461.18x = 30,028,174,608.74
  5. Step 5: Solve for x
    x = 30,028,174,608.74/229,461.18
  6. Step 6: Final answer
    x = 130,863.86

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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.