Home / 330,203.32-455,654.77-194,242.39

Finding the Fourth Proportional to 330,203.32, 455,654.77 and 194,242.39

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Solution

The fourth proportional to 330,203.32, 455,654.77 and 194,242.39 is: 268,039.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,203.32 : 455,654.77 = 194,242.39 : x
  2. Step 2: Convert to fraction form
    330,203.32/455,654.77 = 194,242.39/x
  3. Step 3: Cross multiply
    330,203.32x = 455,654.77 × 194,242.39
  4. Step 4: Simplify right side
    330,203.32x = 88,507,471,539.70
  5. Step 5: Solve for x
    x = 88,507,471,539.70/330,203.32
  6. Step 6: Final answer
    x = 268,039.31

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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.