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Finding the Fourth Proportional to 220,153.60, 330,230.40 and 149,294.80

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Solution

The fourth proportional to 220,153.60, 330,230.40 and 149,294.80 is: 223,942.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,153.60 : 330,230.40 = 149,294.80 : x
  2. Step 2: Convert to fraction form
    220,153.60/330,230.40 = 149,294.80/x
  3. Step 3: Cross multiply
    220,153.60x = 330,230.40 × 149,294.80
  4. Step 4: Simplify right side
    220,153.60x = 49,301,681,521.92
  5. Step 5: Solve for x
    x = 49,301,681,521.92/220,153.60
  6. Step 6: Final answer
    x = 223,942.20

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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.