Home / 330,329.96-455,921.70-196,168.04

Finding the Fourth Proportional to 330,329.96, 455,921.70 and 196,168.04

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Solution

The fourth proportional to 330,329.96, 455,921.70 and 196,168.04 is: 270,751.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,329.96 : 455,921.70 = 196,168.04 : x
  2. Step 2: Convert to fraction form
    330,329.96/455,921.70 = 196,168.04/x
  3. Step 3: Cross multiply
    330,329.96x = 455,921.70 × 196,168.04
  4. Step 4: Simplify right side
    330,329.96x = 89,437,266,282.47
  5. Step 5: Solve for x
    x = 89,437,266,282.47/330,329.96
  6. Step 6: Final answer
    x = 270,751.30

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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.