Home / 324,977.56-487,466.40-88,355.20

Finding the Fourth Proportional to 324,977.56, 487,466.40 and 88,355.20

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Solution

The fourth proportional to 324,977.56, 487,466.40 and 88,355.20 is: 132,532.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,977.56 : 487,466.40 = 88,355.20 : x
  2. Step 2: Convert to fraction form
    324,977.56/487,466.40 = 88,355.20/x
  3. Step 3: Cross multiply
    324,977.56x = 487,466.40 × 88,355.20
  4. Step 4: Simplify right side
    324,977.56x = 43,070,191,265.28
  5. Step 5: Solve for x
    x = 43,070,191,265.28/324,977.56
  6. Step 6: Final answer
    x = 132,532.82

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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.