Home / 270,899.64-406,556.82-121,082.04

Finding the Fourth Proportional to 270,899.64, 406,556.82 and 121,082.04

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Solution

The fourth proportional to 270,899.64, 406,556.82 and 121,082.04 is: 181,715.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,899.64 : 406,556.82 = 121,082.04 : x
  2. Step 2: Convert to fraction form
    270,899.64/406,556.82 = 121,082.04/x
  3. Step 3: Cross multiply
    270,899.64x = 406,556.82 × 121,082.04
  4. Step 4: Simplify right side
    270,899.64x = 49,226,729,141.51
  5. Step 5: Solve for x
    x = 49,226,729,141.51/270,899.64
  6. Step 6: Final answer
    x = 181,715.74

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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.