Home / 270,780.24-406,226.40-81,232.94

Finding the Fourth Proportional to 270,780.24, 406,226.40 and 81,232.94

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Solution

The fourth proportional to 270,780.24, 406,226.40 and 81,232.94 is: 121,866.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,780.24 : 406,226.40 = 81,232.94 : x
  2. Step 2: Convert to fraction form
    270,780.24/406,226.40 = 81,232.94/x
  3. Step 3: Cross multiply
    270,780.24x = 406,226.40 × 81,232.94
  4. Step 4: Simplify right side
    270,780.24x = 32,998,964,777.62
  5. Step 5: Solve for x
    x = 32,998,964,777.62/270,780.24
  6. Step 6: Final answer
    x = 121,866.22

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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.