Home / 288,527.03-398,278.42-258,258.95

Finding the Fourth Proportional to 288,527.03, 398,278.42 and 258,258.95

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Solution

The fourth proportional to 288,527.03, 398,278.42 and 258,258.95 is: 356,496.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,527.03 : 398,278.42 = 258,258.95 : x
  2. Step 2: Convert to fraction form
    288,527.03/398,278.42 = 258,258.95/x
  3. Step 3: Cross multiply
    288,527.03x = 398,278.42 × 258,258.95
  4. Step 4: Simplify right side
    288,527.03x = 102,858,965,413.36
  5. Step 5: Solve for x
    x = 102,858,965,413.36/288,527.03
  6. Step 6: Final answer
    x = 356,496.81

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Why These Related Problems?

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