Home / 295,215.60-442,823.40-108,202.80

Finding the Fourth Proportional to 295,215.60, 442,823.40 and 108,202.80

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Solution

The fourth proportional to 295,215.60, 442,823.40 and 108,202.80 is: 162,304.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,215.60 : 442,823.40 = 108,202.80 : x
  2. Step 2: Convert to fraction form
    295,215.60/442,823.40 = 108,202.80/x
  3. Step 3: Cross multiply
    295,215.60x = 442,823.40 × 108,202.80
  4. Step 4: Simplify right side
    295,215.60x = 47,914,731,785.52
  5. Step 5: Solve for x
    x = 47,914,731,785.52/295,215.60
  6. Step 6: Final answer
    x = 162,304.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.