Home / 297,734.40-446,731.20-149,990.40

Finding the Fourth Proportional to 297,734.40, 446,731.20 and 149,990.40

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Solution

The fourth proportional to 297,734.40, 446,731.20 and 149,990.40 is: 225,050.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,734.40 : 446,731.20 = 149,990.40 : x
  2. Step 2: Convert to fraction form
    297,734.40/446,731.20 = 149,990.40/x
  3. Step 3: Cross multiply
    297,734.40x = 446,731.20 × 149,990.40
  4. Step 4: Simplify right side
    297,734.40x = 67,005,391,380.48
  5. Step 5: Solve for x
    x = 67,005,391,380.48/297,734.40
  6. Step 6: Final answer
    x = 225,050.89

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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.