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Finding the Fourth Proportional to 324,888, 487,276.08 and 88,249.72

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Solution

The fourth proportional to 324,888, 487,276.08 and 88,249.72 is: 132,359.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,888 : 487,276.08 = 88,249.72 : x
  2. Step 2: Convert to fraction form
    324,888/487,276.08 = 88,249.72/x
  3. Step 3: Cross multiply
    324,888x = 487,276.08 × 88,249.72
  4. Step 4: Simplify right side
    324,888x = 43,001,977,622.70
  5. Step 5: Solve for x
    x = 43,001,977,622.70/324,888
  6. Step 6: Final answer
    x = 132,359.39

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1.5x scale

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.