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Finding the Fourth Proportional to 149,390.64, 224,008.20 and 44,195.40

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Solution

The fourth proportional to 149,390.64, 224,008.20 and 44,195.40 is: 66,270.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,390.64 : 224,008.20 = 44,195.40 : x
  2. Step 2: Convert to fraction form
    149,390.64/224,008.20 = 44,195.40/x
  3. Step 3: Cross multiply
    149,390.64x = 224,008.20 × 44,195.40
  4. Step 4: Simplify right side
    149,390.64x = 9,900,132,002.28
  5. Step 5: Solve for x
    x = 9,900,132,002.28/149,390.64
  6. Step 6: Final answer
    x = 66,270.10

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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.