Home / 295,629.60-442,934.10-137,533.80

Finding the Fourth Proportional to 295,629.60, 442,934.10 and 137,533.80

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Solution

The fourth proportional to 295,629.60, 442,934.10 and 137,533.80 is: 206,063.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,629.60 : 442,934.10 = 137,533.80 : x
  2. Step 2: Convert to fraction form
    295,629.60/442,934.10 = 137,533.80/x
  3. Step 3: Cross multiply
    295,629.60x = 442,934.10 × 137,533.80
  4. Step 4: Simplify right side
    295,629.60x = 60,918,409,922.58
  5. Step 5: Solve for x
    x = 60,918,409,922.58/295,629.60
  6. Step 6: Final answer
    x = 206,063.30

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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.