Home / 330,046.76-455,464.32-179,143.76

Finding the Fourth Proportional to 330,046.76, 455,464.32 and 179,143.76

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Solution

The fourth proportional to 330,046.76, 455,464.32 and 179,143.76 is: 247,218.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,046.76 : 455,464.32 = 179,143.76 : x
  2. Step 2: Convert to fraction form
    330,046.76/455,464.32 = 179,143.76/x
  3. Step 3: Cross multiply
    330,046.76x = 455,464.32 × 179,143.76
  4. Step 4: Simplify right side
    330,046.76x = 81,593,590,830.64
  5. Step 5: Solve for x
    x = 81,593,590,830.64/330,046.76
  6. Step 6: Final answer
    x = 247,218.28

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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.