Home / 434,255.40-651,229.50-206,524.20

Finding the Fourth Proportional to 434,255.40, 651,229.50 and 206,524.20

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Solution

The fourth proportional to 434,255.40, 651,229.50 and 206,524.20 is: 309,713.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,255.40 : 651,229.50 = 206,524.20 : x
  2. Step 2: Convert to fraction form
    434,255.40/651,229.50 = 206,524.20/x
  3. Step 3: Cross multiply
    434,255.40x = 651,229.50 × 206,524.20
  4. Step 4: Simplify right side
    434,255.40x = 134,494,651,503.90
  5. Step 5: Solve for x
    x = 134,494,651,503.90/434,255.40
  6. Step 6: Final answer
    x = 309,713.25

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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.