Home / 295,619.60-442,919.10-137,523.80

Finding the Fourth Proportional to 295,619.60, 442,919.10 and 137,523.80

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Solution

The fourth proportional to 295,619.60, 442,919.10 and 137,523.80 is: 206,048.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,619.60 : 442,919.10 = 137,523.80 : x
  2. Step 2: Convert to fraction form
    295,619.60/442,919.10 = 137,523.80/x
  3. Step 3: Cross multiply
    295,619.60x = 442,919.10 × 137,523.80
  4. Step 4: Simplify right side
    295,619.60x = 60,911,917,724.58
  5. Step 5: Solve for x
    x = 60,911,917,724.58/295,619.60
  6. Step 6: Final answer
    x = 206,048.31

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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.