Home / 325,178.12-487,717.96-88,539.44

Finding the Fourth Proportional to 325,178.12, 487,717.96 and 88,539.44

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Solution

The fourth proportional to 325,178.12, 487,717.96 and 88,539.44 is: 132,795.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,178.12 : 487,717.96 = 88,539.44 : x
  2. Step 2: Convert to fraction form
    325,178.12/487,717.96 = 88,539.44/x
  3. Step 3: Cross multiply
    325,178.12x = 487,717.96 × 88,539.44
  4. Step 4: Simplify right side
    325,178.12x = 43,182,275,056.34
  5. Step 5: Solve for x
    x = 43,182,275,056.34/325,178.12
  6. Step 6: Final answer
    x = 132,795.76

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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.