Home / 270,920.12-406,397.49-90,998.26

Finding the Fourth Proportional to 270,920.12, 406,397.49 and 90,998.26

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Solution

The fourth proportional to 270,920.12, 406,397.49 and 90,998.26 is: 136,503.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,920.12 : 406,397.49 = 90,998.26 : x
  2. Step 2: Convert to fraction form
    270,920.12/406,397.49 = 90,998.26/x
  3. Step 3: Cross multiply
    270,920.12x = 406,397.49 × 90,998.26
  4. Step 4: Simplify right side
    270,920.12x = 36,981,464,458.37
  5. Step 5: Solve for x
    x = 36,981,464,458.37/270,920.12
  6. Step 6: Final answer
    x = 136,503.20

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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.