Home / 240,721.10-360,984.45-82,868.30

Finding the Fourth Proportional to 240,721.10, 360,984.45 and 82,868.30

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Solution

The fourth proportional to 240,721.10, 360,984.45 and 82,868.30 is: 124,268.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,721.10 : 360,984.45 = 82,868.30 : x
  2. Step 2: Convert to fraction form
    240,721.10/360,984.45 = 82,868.30/x
  3. Step 3: Cross multiply
    240,721.10x = 360,984.45 × 82,868.30
  4. Step 4: Simplify right side
    240,721.10x = 29,914,167,697.94
  5. Step 5: Solve for x
    x = 29,914,167,697.94/240,721.10
  6. Step 6: Final answer
    x = 124,268.99

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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.