Home / 260,359.33-390,542.24-82,865.65

Finding the Fourth Proportional to 260,359.33, 390,542.24 and 82,865.65

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Solution

The fourth proportional to 260,359.33, 390,542.24 and 82,865.65 is: 124,299.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,359.33 : 390,542.24 = 82,865.65 : x
  2. Step 2: Convert to fraction form
    260,359.33/390,542.24 = 82,865.65/x
  3. Step 3: Cross multiply
    260,359.33x = 390,542.24 × 82,865.65
  4. Step 4: Simplify right side
    260,359.33x = 32,362,536,570.06
  5. Step 5: Solve for x
    x = 32,362,536,570.06/260,359.33
  6. Step 6: Final answer
    x = 124,299.51

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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.