Home / 330,183.12-455,650.20-179,281.20

Finding the Fourth Proportional to 330,183.12, 455,650.20 and 179,281.20

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Solution

The fourth proportional to 330,183.12, 455,650.20 and 179,281.20 is: 247,406.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,183.12 : 455,650.20 = 179,281.20 : x
  2. Step 2: Convert to fraction form
    330,183.12/455,650.20 = 179,281.20/x
  3. Step 3: Cross multiply
    330,183.12x = 455,650.20 × 179,281.20
  4. Step 4: Simplify right side
    330,183.12x = 81,689,514,636.24
  5. Step 5: Solve for x
    x = 81,689,514,636.24/330,183.12
  6. Step 6: Final answer
    x = 247,406.70

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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.