Home / 434,112.89-651,391.38-206,665.49

Finding the Fourth Proportional to 434,112.89, 651,391.38 and 206,665.49

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Solution

The fourth proportional to 434,112.89, 651,391.38 and 206,665.49 is: 310,103.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,112.89 : 651,391.38 = 206,665.49 : x
  2. Step 2: Convert to fraction form
    434,112.89/651,391.38 = 206,665.49/x
  3. Step 3: Cross multiply
    434,112.89x = 651,391.38 × 206,665.49
  4. Step 4: Simplify right side
    434,112.89x = 134,620,120,357.96
  5. Step 5: Solve for x
    x = 134,620,120,357.96/434,112.89
  6. Step 6: Final answer
    x = 310,103.95

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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.