Home / 426,777.42-640,261.38-160,540.14

Finding the Fourth Proportional to 426,777.42, 640,261.38 and 160,540.14

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Solution

The fourth proportional to 426,777.42, 640,261.38 and 160,540.14 is: 240,846.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,777.42 : 640,261.38 = 160,540.14 : x
  2. Step 2: Convert to fraction form
    426,777.42/640,261.38 = 160,540.14/x
  3. Step 3: Cross multiply
    426,777.42x = 640,261.38 × 160,540.14
  4. Step 4: Simplify right side
    426,777.42x = 102,787,651,581.79
  5. Step 5: Solve for x
    x = 102,787,651,581.79/426,777.42
  6. Step 6: Final answer
    x = 240,846.04

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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.