Home / 436,941.60-655,145.10-170,394.90

Finding the Fourth Proportional to 436,941.60, 655,145.10 and 170,394.90

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Solution

The fourth proportional to 436,941.60, 655,145.10 and 170,394.90 is: 255,488.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,941.60 : 655,145.10 = 170,394.90 : x
  2. Step 2: Convert to fraction form
    436,941.60/655,145.10 = 170,394.90/x
  3. Step 3: Cross multiply
    436,941.60x = 655,145.10 × 170,394.90
  4. Step 4: Simplify right side
    436,941.60x = 111,633,383,799.99
  5. Step 5: Solve for x
    x = 111,633,383,799.99/436,941.60
  6. Step 6: Final answer
    x = 255,488.11

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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.