Home / 270,514.13-405,507.49-112,787.69

Finding the Fourth Proportional to 270,514.13, 405,507.49 and 112,787.69

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Solution

The fourth proportional to 270,514.13, 405,507.49 and 112,787.69 is: 169,071.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,514.13 : 405,507.49 = 112,787.69 : x
  2. Step 2: Convert to fraction form
    270,514.13/405,507.49 = 112,787.69/x
  3. Step 3: Cross multiply
    270,514.13x = 405,507.49 × 112,787.69
  4. Step 4: Simplify right side
    270,514.13x = 45,736,250,765.29
  5. Step 5: Solve for x
    x = 45,736,250,765.29/270,514.13
  6. Step 6: Final answer
    x = 169,071.58

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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.