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Finding the Fourth Proportional to 207,304.60, 310,807.26 and 80,837.68

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Solution

The fourth proportional to 207,304.60, 310,807.26 and 80,837.68 is: 121,198.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,304.60 : 310,807.26 = 80,837.68 : x
  2. Step 2: Convert to fraction form
    207,304.60/310,807.26 = 80,837.68/x
  3. Step 3: Cross multiply
    207,304.60x = 310,807.26 × 80,837.68
  4. Step 4: Simplify right side
    207,304.60x = 25,124,937,825.56
  5. Step 5: Solve for x
    x = 25,124,937,825.56/207,304.60
  6. Step 6: Final answer
    x = 121,198.17

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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.