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Finding the Fourth Proportional to 207,644.45, 286,552.01 and 122,760.77

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Solution

The fourth proportional to 207,644.45, 286,552.01 and 122,760.77 is: 169,411.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,644.45 : 286,552.01 = 122,760.77 : x
  2. Step 2: Convert to fraction form
    207,644.45/286,552.01 = 122,760.77/x
  3. Step 3: Cross multiply
    207,644.45x = 286,552.01 × 122,760.77
  4. Step 4: Simplify right side
    207,644.45x = 35,177,344,266.79
  5. Step 5: Solve for x
    x = 35,177,344,266.79/207,644.45
  6. Step 6: Final answer
    x = 169,411.44

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.