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Finding the Fourth Proportional to 149,401.20, 224,224.20 and 148,234.80

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Solution

The fourth proportional to 149,401.20, 224,224.20 and 148,234.80 is: 222,473.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,401.20 : 224,224.20 = 148,234.80 : x
  2. Step 2: Convert to fraction form
    149,401.20/224,224.20 = 148,234.80/x
  3. Step 3: Cross multiply
    149,401.20x = 224,224.20 × 148,234.80
  4. Step 4: Simplify right side
    149,401.20x = 33,237,829,442.16
  5. Step 5: Solve for x
    x = 33,237,829,442.16/149,401.20
  6. Step 6: Final answer
    x = 222,473.64

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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.