Home / 330,287.60-455,789.40-179,381.36

Finding the Fourth Proportional to 330,287.60, 455,789.40 and 179,381.36

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Solution

The fourth proportional to 330,287.60, 455,789.40 and 179,381.36 is: 247,542.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,287.60 : 455,789.40 = 179,381.36 : x
  2. Step 2: Convert to fraction form
    330,287.60/455,789.40 = 179,381.36/x
  3. Step 3: Cross multiply
    330,287.60x = 455,789.40 × 179,381.36
  4. Step 4: Simplify right side
    330,287.60x = 81,760,122,445.58
  5. Step 5: Solve for x
    x = 81,760,122,445.58/330,287.60
  6. Step 6: Final answer
    x = 247,542.21

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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.