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Finding the Fourth Proportional to 222,423.20, 333,634.80 and 148,032.80

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Solution

The fourth proportional to 222,423.20, 333,634.80 and 148,032.80 is: 222,049.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,423.20 : 333,634.80 = 148,032.80 : x
  2. Step 2: Convert to fraction form
    222,423.20/333,634.80 = 148,032.80/x
  3. Step 3: Cross multiply
    222,423.20x = 333,634.80 × 148,032.80
  4. Step 4: Simplify right side
    222,423.20x = 49,388,893,621.44
  5. Step 5: Solve for x
    x = 49,388,893,621.44/222,423.20
  6. Step 6: Final answer
    x = 222,049.20

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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.