Home / 330,003.15-455,404.53-179,100.15

Finding the Fourth Proportional to 330,003.15, 455,404.53 and 179,100.15

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Solution

The fourth proportional to 330,003.15, 455,404.53 and 179,100.15 is: 247,158.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,003.15 : 455,404.53 = 179,100.15 : x
  2. Step 2: Convert to fraction form
    330,003.15/455,404.53 = 179,100.15/x
  3. Step 3: Cross multiply
    330,003.15x = 455,404.53 × 179,100.15
  4. Step 4: Simplify right side
    330,003.15x = 81,563,017,590.10
  5. Step 5: Solve for x
    x = 81,563,017,590.10/330,003.15
  6. Step 6: Final answer
    x = 247,158.30

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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.