Home / 225,815.57-338,690.42-65,848.55

Finding the Fourth Proportional to 225,815.57, 338,690.42 and 65,848.55

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Solution

The fourth proportional to 225,815.57, 338,690.42 and 65,848.55 is: 98,763.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,815.57 : 338,690.42 = 65,848.55 : x
  2. Step 2: Convert to fraction form
    225,815.57/338,690.42 = 65,848.55/x
  3. Step 3: Cross multiply
    225,815.57x = 338,690.42 × 65,848.55
  4. Step 4: Simplify right side
    225,815.57x = 22,302,271,033.20
  5. Step 5: Solve for x
    x = 22,302,271,033.20/225,815.57
  6. Step 6: Final answer
    x = 98,763.21

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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.