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Finding the Fourth Proportional to 230,258.87, 345,268.01 and 72,444.95

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Solution

The fourth proportional to 230,258.87, 345,268.01 and 72,444.95 is: 108,629.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,258.87 : 345,268.01 = 72,444.95 : x
  2. Step 2: Convert to fraction form
    230,258.87/345,268.01 = 72,444.95/x
  3. Step 3: Cross multiply
    230,258.87x = 345,268.01 × 72,444.95
  4. Step 4: Simplify right side
    230,258.87x = 25,012,921,632.48
  5. Step 5: Solve for x
    x = 25,012,921,632.48/230,258.87
  6. Step 6: Final answer
    x = 108,629.57

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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.