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Finding the Fourth Proportional to 240,168.20, 360,259.62 and 82,394.42

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Solution

The fourth proportional to 240,168.20, 360,259.62 and 82,394.42 is: 123,594.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,168.20 : 360,259.62 = 82,394.42 : x
  2. Step 2: Convert to fraction form
    240,168.20/360,259.62 = 82,394.42/x
  3. Step 3: Cross multiply
    240,168.20x = 360,259.62 × 82,394.42
  4. Step 4: Simplify right side
    240,168.20x = 29,683,382,439.32
  5. Step 5: Solve for x
    x = 29,683,382,439.32/240,168.20
  6. Step 6: Final answer
    x = 123,594.14

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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.