Home / 243,609.48-336,235.30-148,095.88

Finding the Fourth Proportional to 243,609.48, 336,235.30 and 148,095.88

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Solution

The fourth proportional to 243,609.48, 336,235.30 and 148,095.88 is: 204,405.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,609.48 : 336,235.30 = 148,095.88 : x
  2. Step 2: Convert to fraction form
    243,609.48/336,235.30 = 148,095.88/x
  3. Step 3: Cross multiply
    243,609.48x = 336,235.30 × 148,095.88
  4. Step 4: Simplify right side
    243,609.48x = 49,795,062,640.56
  5. Step 5: Solve for x
    x = 49,795,062,640.56/243,609.48
  6. Step 6: Final answer
    x = 204,405.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.