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Finding the Fourth Proportional to 149,498.60, 224,258.70 and 49,728.20

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Solution

The fourth proportional to 149,498.60, 224,258.70 and 49,728.20 is: 74,595.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,498.60 : 224,258.70 = 49,728.20 : x
  2. Step 2: Convert to fraction form
    149,498.60/224,258.70 = 49,728.20/x
  3. Step 3: Cross multiply
    149,498.60x = 224,258.70 × 49,728.20
  4. Step 4: Simplify right side
    149,498.60x = 11,151,981,485.34
  5. Step 5: Solve for x
    x = 11,151,981,485.34/149,498.60
  6. Step 6: Final answer
    x = 74,595.89

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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.