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Finding the Fourth Proportional to 281,540, 422,222.62 and 101,602.06

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Solution

The fourth proportional to 281,540, 422,222.62 and 101,602.06 is: 152,371.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,540 : 422,222.62 = 101,602.06 : x
  2. Step 2: Convert to fraction form
    281,540/422,222.62 = 101,602.06/x
  3. Step 3: Cross multiply
    281,540x = 422,222.62 × 101,602.06
  4. Step 4: Simplify right side
    281,540x = 42,898,687,970.60
  5. Step 5: Solve for x
    x = 42,898,687,970.60/281,540
  6. Step 6: Final answer
    x = 152,371.56

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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.