Home / 330,011.64-455,413.38-179,108.64

Finding the Fourth Proportional to 330,011.64, 455,413.38 and 179,108.64

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Solution

The fourth proportional to 330,011.64, 455,413.38 and 179,108.64 is: 247,168.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,011.64 : 455,413.38 = 179,108.64 : x
  2. Step 2: Convert to fraction form
    330,011.64/455,413.38 = 179,108.64/x
  3. Step 3: Cross multiply
    330,011.64x = 455,413.38 × 179,108.64
  4. Step 4: Simplify right side
    330,011.64x = 81,568,471,129.60
  5. Step 5: Solve for x
    x = 81,568,471,129.60/330,011.64
  6. Step 6: Final answer
    x = 247,168.47

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1.5x scale

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.