Home / 254,740.20-382,401.90-149,618.40

Finding the Fourth Proportional to 254,740.20, 382,401.90 and 149,618.40

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Solution

The fourth proportional to 254,740.20, 382,401.90 and 149,618.40 is: 224,598.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,740.20 : 382,401.90 = 149,618.40 : x
  2. Step 2: Convert to fraction form
    254,740.20/382,401.90 = 149,618.40/x
  3. Step 3: Cross multiply
    254,740.20x = 382,401.90 × 149,618.40
  4. Step 4: Simplify right side
    254,740.20x = 57,214,360,434.96
  5. Step 5: Solve for x
    x = 57,214,360,434.96/254,740.20
  6. Step 6: Final answer
    x = 224,598.87

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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.