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Finding the Fourth Proportional to 342,067.80, 513,101.70 and 337,402.20

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Solution

The fourth proportional to 342,067.80, 513,101.70 and 337,402.20 is: 506,103.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,067.80 : 513,101.70 = 337,402.20 : x
  2. Step 2: Convert to fraction form
    342,067.80/513,101.70 = 337,402.20/x
  3. Step 3: Cross multiply
    342,067.80x = 513,101.70 × 337,402.20
  4. Step 4: Simplify right side
    342,067.80x = 173,121,642,403.74
  5. Step 5: Solve for x
    x = 173,121,642,403.74/342,067.80
  6. Step 6: Final answer
    x = 506,103.30

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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.