Home / 240,282.45-360,432.18-82,509.84

Finding the Fourth Proportional to 240,282.45, 360,432.18 and 82,509.84

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Solution

The fourth proportional to 240,282.45, 360,432.18 and 82,509.84 is: 123,767.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,282.45 : 360,432.18 = 82,509.84 : x
  2. Step 2: Convert to fraction form
    240,282.45/360,432.18 = 82,509.84/x
  3. Step 3: Cross multiply
    240,282.45x = 360,432.18 × 82,509.84
  4. Step 4: Simplify right side
    240,282.45x = 29,739,201,502.65
  5. Step 5: Solve for x
    x = 29,739,201,502.65/240,282.45
  6. Step 6: Final answer
    x = 123,767.68

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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.