Home / 254,734.20-382,392.90-149,612.40

Finding the Fourth Proportional to 254,734.20, 382,392.90 and 149,612.40

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Solution

The fourth proportional to 254,734.20, 382,392.90 and 149,612.40 is: 224,589.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,734.20 : 382,392.90 = 149,612.40 : x
  2. Step 2: Convert to fraction form
    254,734.20/382,392.90 = 149,612.40/x
  3. Step 3: Cross multiply
    254,734.20x = 382,392.90 × 149,612.40
  4. Step 4: Simplify right side
    254,734.20x = 57,210,719,511.96
  5. Step 5: Solve for x
    x = 57,210,719,511.96/254,734.20
  6. Step 6: Final answer
    x = 224,589.86

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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.