Home / 259,725.30-389,587.95-82,246.20

Finding the Fourth Proportional to 259,725.30, 389,587.95 and 82,246.20

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Solution

The fourth proportional to 259,725.30, 389,587.95 and 82,246.20 is: 123,369.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,725.30 : 389,587.95 = 82,246.20 : x
  2. Step 2: Convert to fraction form
    259,725.30/389,587.95 = 82,246.20/x
  3. Step 3: Cross multiply
    259,725.30x = 389,587.95 × 82,246.20
  4. Step 4: Simplify right side
    259,725.30x = 32,042,128,453.29
  5. Step 5: Solve for x
    x = 32,042,128,453.29/259,725.30
  6. Step 6: Final answer
    x = 123,369.30

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1.5x scale

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.