Home / 386,919.25-534,160.43-270,811.42

Finding the Fourth Proportional to 386,919.25, 534,160.43 and 270,811.42

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Solution

The fourth proportional to 386,919.25, 534,160.43 and 270,811.42 is: 373,868.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,919.25 : 534,160.43 = 270,811.42 : x
  2. Step 2: Convert to fraction form
    386,919.25/534,160.43 = 270,811.42/x
  3. Step 3: Cross multiply
    386,919.25x = 534,160.43 × 270,811.42
  4. Step 4: Simplify right side
    386,919.25x = 144,656,744,556.11
  5. Step 5: Solve for x
    x = 144,656,744,556.11/386,919.25
  6. Step 6: Final answer
    x = 373,868.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.