Home / 295,826.10-443,228.85-137,730.30

Finding the Fourth Proportional to 295,826.10, 443,228.85 and 137,730.30

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Solution

The fourth proportional to 295,826.10, 443,228.85 and 137,730.30 is: 206,357.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,826.10 : 443,228.85 = 137,730.30 : x
  2. Step 2: Convert to fraction form
    295,826.10/443,228.85 = 137,730.30/x
  3. Step 3: Cross multiply
    295,826.10x = 443,228.85 × 137,730.30
  4. Step 4: Simplify right side
    295,826.10x = 61,046,042,479.16
  5. Step 5: Solve for x
    x = 61,046,042,479.16/295,826.10
  6. Step 6: Final answer
    x = 206,357.87

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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.