Home / 295,274.20-442,911.30-137,518.60

Finding the Fourth Proportional to 295,274.20, 442,911.30 and 137,518.60

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Solution

The fourth proportional to 295,274.20, 442,911.30 and 137,518.60 is: 206,277.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,274.20 : 442,911.30 = 137,518.60 : x
  2. Step 2: Convert to fraction form
    295,274.20/442,911.30 = 137,518.60/x
  3. Step 3: Cross multiply
    295,274.20x = 442,911.30 × 137,518.60
  4. Step 4: Simplify right side
    295,274.20x = 60,908,541,900.18
  5. Step 5: Solve for x
    x = 60,908,541,900.18/295,274.20
  6. Step 6: Final answer
    x = 206,277.90

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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.