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Finding the Fourth Proportional to 149,234.70, 223,852.05 and 55,728.30

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Solution

The fourth proportional to 149,234.70, 223,852.05 and 55,728.30 is: 83,592.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,234.70 : 223,852.05 = 55,728.30 : x
  2. Step 2: Convert to fraction form
    149,234.70/223,852.05 = 55,728.30/x
  3. Step 3: Cross multiply
    149,234.70x = 223,852.05 × 55,728.30
  4. Step 4: Simplify right side
    149,234.70x = 12,474,894,198.02
  5. Step 5: Solve for x
    x = 12,474,894,198.02/149,234.70
  6. Step 6: Final answer
    x = 83,592.45

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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.