Home / 240,268.60-360,435.30-82,545.40

Finding the Fourth Proportional to 240,268.60, 360,435.30 and 82,545.40

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Solution

The fourth proportional to 240,268.60, 360,435.30 and 82,545.40 is: 123,829.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,268.60 : 360,435.30 = 82,545.40 : x
  2. Step 2: Convert to fraction form
    240,268.60/360,435.30 = 82,545.40/x
  3. Step 3: Cross multiply
    240,268.60x = 360,435.30 × 82,545.40
  4. Step 4: Simplify right side
    240,268.60x = 29,752,276,012.62
  5. Step 5: Solve for x
    x = 29,752,276,012.62/240,268.60
  6. Step 6: Final answer
    x = 123,829.23

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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.