Home / 330,108.91-455,550.75-179,205.91

Finding the Fourth Proportional to 330,108.91, 455,550.75 and 179,205.91

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Solution

The fourth proportional to 330,108.91, 455,550.75 and 179,205.91 is: 247,304.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,108.91 : 455,550.75 = 179,205.91 : x
  2. Step 2: Convert to fraction form
    330,108.91/455,550.75 = 179,205.91/x
  3. Step 3: Cross multiply
    330,108.91x = 455,550.75 × 179,205.91
  4. Step 4: Simplify right side
    330,108.91x = 81,637,386,704.93
  5. Step 5: Solve for x
    x = 81,637,386,704.93/330,108.91
  6. Step 6: Final answer
    x = 247,304.40

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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.