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Finding the Fourth Proportional to 185,947, 279,932.35 and 169,413.28

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Solution

The fourth proportional to 185,947, 279,932.35 and 169,413.28 is: 255,041.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,947 : 279,932.35 = 169,413.28 : x
  2. Step 2: Convert to fraction form
    185,947/279,932.35 = 169,413.28/x
  3. Step 3: Cross multiply
    185,947x = 279,932.35 × 169,413.28
  4. Step 4: Simplify right side
    185,947x = 47,424,257,591.61
  5. Step 5: Solve for x
    x = 47,424,257,591.61/185,947
  6. Step 6: Final answer
    x = 255,041.80

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.