Home / 347,452.20-521,178.30-236,860.20

Finding the Fourth Proportional to 347,452.20, 521,178.30 and 236,860.20

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Solution

The fourth proportional to 347,452.20, 521,178.30 and 236,860.20 is: 355,290.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,452.20 : 521,178.30 = 236,860.20 : x
  2. Step 2: Convert to fraction form
    347,452.20/521,178.30 = 236,860.20/x
  3. Step 3: Cross multiply
    347,452.20x = 521,178.30 × 236,860.20
  4. Step 4: Simplify right side
    347,452.20x = 123,446,396,373.66
  5. Step 5: Solve for x
    x = 123,446,396,373.66/347,452.20
  6. Step 6: Final answer
    x = 355,290.30

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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.