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Finding the Fourth Proportional to 601,862.71, 902,912.15 and 222,786.76

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Solution

The fourth proportional to 601,862.71, 902,912.15 and 222,786.76 is: 334,223.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    601,862.71 : 902,912.15 = 222,786.76 : x
  2. Step 2: Convert to fraction form
    601,862.71/902,912.15 = 222,786.76/x
  3. Step 3: Cross multiply
    601,862.71x = 902,912.15 × 222,786.76
  4. Step 4: Simplify right side
    601,862.71x = 201,156,868,505.54
  5. Step 5: Solve for x
    x = 201,156,868,505.54/601,862.71
  6. Step 6: Final answer
    x = 334,223.85

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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.