Home / 281,734.85-388,793.34-152,676.92

Finding the Fourth Proportional to 281,734.85, 388,793.34 and 152,676.92

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Solution

The fourth proportional to 281,734.85, 388,793.34 and 152,676.92 is: 210,693.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,734.85 : 388,793.34 = 152,676.92 : x
  2. Step 2: Convert to fraction form
    281,734.85/388,793.34 = 152,676.92/x
  3. Step 3: Cross multiply
    281,734.85x = 388,793.34 × 152,676.92
  4. Step 4: Simplify right side
    281,734.85x = 59,359,767,723.75
  5. Step 5: Solve for x
    x = 59,359,767,723.75/281,734.85
  6. Step 6: Final answer
    x = 210,693.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.