Home / 324,785.50-487,120.74-88,146.58

Finding the Fourth Proportional to 324,785.50, 487,120.74 and 88,146.58

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Solution

The fourth proportional to 324,785.50, 487,120.74 and 88,146.58 is: 132,204.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,785.50 : 487,120.74 = 88,146.58 : x
  2. Step 2: Convert to fraction form
    324,785.50/487,120.74 = 88,146.58/x
  3. Step 3: Cross multiply
    324,785.50x = 487,120.74 × 88,146.58
  4. Step 4: Simplify right side
    324,785.50x = 42,938,027,278.07
  5. Step 5: Solve for x
    x = 42,938,027,278.07/324,785.50
  6. Step 6: Final answer
    x = 132,204.26

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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.