Home / 254,900.20-382,641.90-149,778.40

Finding the Fourth Proportional to 254,900.20, 382,641.90 and 149,778.40

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Solution

The fourth proportional to 254,900.20, 382,641.90 and 149,778.40 is: 224,838.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,900.20 : 382,641.90 = 149,778.40 : x
  2. Step 2: Convert to fraction form
    254,900.20/382,641.90 = 149,778.40/x
  3. Step 3: Cross multiply
    254,900.20x = 382,641.90 × 149,778.40
  4. Step 4: Simplify right side
    254,900.20x = 57,311,491,554.96
  5. Step 5: Solve for x
    x = 57,311,491,554.96/254,900.20
  6. Step 6: Final answer
    x = 224,838.94

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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.