Home / 270,645.28-406,214.16-144,392.56

Finding the Fourth Proportional to 270,645.28, 406,214.16 and 144,392.56

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Solution

The fourth proportional to 270,645.28, 406,214.16 and 144,392.56 is: 216,720.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,645.28 : 406,214.16 = 144,392.56 : x
  2. Step 2: Convert to fraction form
    270,645.28/406,214.16 = 144,392.56/x
  3. Step 3: Cross multiply
    270,645.28x = 406,214.16 × 144,392.56
  4. Step 4: Simplify right side
    270,645.28x = 58,654,302,470.65
  5. Step 5: Solve for x
    x = 58,654,302,470.65/270,645.28
  6. Step 6: Final answer
    x = 216,720.21

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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.