Home / 278,264.37-417,413.12-107,487.38

Finding the Fourth Proportional to 278,264.37, 417,413.12 and 107,487.38

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Solution

The fourth proportional to 278,264.37, 417,413.12 and 107,487.38 is: 161,237.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,264.37 : 417,413.12 = 107,487.38 : x
  2. Step 2: Convert to fraction form
    278,264.37/417,413.12 = 107,487.38/x
  3. Step 3: Cross multiply
    278,264.37x = 417,413.12 × 107,487.38
  4. Step 4: Simplify right side
    278,264.37x = 44,866,643,152.52
  5. Step 5: Solve for x
    x = 44,866,643,152.52/278,264.37
  6. Step 6: Final answer
    x = 161,237.47

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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.