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Finding the Fourth Proportional to 222,680.80, 333,243.60 and 155,807.20

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Solution

The fourth proportional to 222,680.80, 333,243.60 and 155,807.20 is: 233,166.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,680.80 : 333,243.60 = 155,807.20 : x
  2. Step 2: Convert to fraction form
    222,680.80/333,243.60 = 155,807.20/x
  3. Step 3: Cross multiply
    222,680.80x = 333,243.60 × 155,807.20
  4. Step 4: Simplify right side
    222,680.80x = 51,921,752,233.92
  5. Step 5: Solve for x
    x = 51,921,752,233.92/222,680.80
  6. Step 6: Final answer
    x = 233,166.72

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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.