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Finding the Fourth Proportional to 148,540.40, 222,810.60 and 147,228.20

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Solution

The fourth proportional to 148,540.40, 222,810.60 and 147,228.20 is: 220,842.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,540.40 : 222,810.60 = 147,228.20 : x
  2. Step 2: Convert to fraction form
    148,540.40/222,810.60 = 147,228.20/x
  3. Step 3: Cross multiply
    148,540.40x = 222,810.60 × 147,228.20
  4. Step 4: Simplify right side
    148,540.40x = 32,804,003,578.92
  5. Step 5: Solve for x
    x = 32,804,003,578.92/148,540.40
  6. Step 6: Final answer
    x = 220,842.30

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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.