Home / 330,131.76-455,586.84-179,228.76

Finding the Fourth Proportional to 330,131.76, 455,586.84 and 179,228.76

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Solution

The fourth proportional to 330,131.76, 455,586.84 and 179,228.76 is: 247,338.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,131.76 : 455,586.84 = 179,228.76 : x
  2. Step 2: Convert to fraction form
    330,131.76/455,586.84 = 179,228.76/x
  3. Step 3: Cross multiply
    330,131.76x = 455,586.84 × 179,228.76
  4. Step 4: Simplify right side
    330,131.76x = 81,654,264,405.52
  5. Step 5: Solve for x
    x = 81,654,264,405.52/330,131.76
  6. Step 6: Final answer
    x = 247,338.41

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Double scale
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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.