Home / 278,542.32-417,812.40-101,049.18

Finding the Fourth Proportional to 278,542.32, 417,812.40 and 101,049.18

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Solution

The fourth proportional to 278,542.32, 417,812.40 and 101,049.18 is: 151,573.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,542.32 : 417,812.40 = 101,049.18 : x
  2. Step 2: Convert to fraction form
    278,542.32/417,812.40 = 101,049.18/x
  3. Step 3: Cross multiply
    278,542.32x = 417,812.40 × 101,049.18
  4. Step 4: Simplify right side
    278,542.32x = 42,219,600,413.83
  5. Step 5: Solve for x
    x = 42,219,600,413.83/278,542.32
  6. Step 6: Final answer
    x = 151,573.38

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1.5x scale

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.