Home / 248,640.57-372,958.10-148,828.62

Finding the Fourth Proportional to 248,640.57, 372,958.10 and 148,828.62

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Solution

The fourth proportional to 248,640.57, 372,958.10 and 148,828.62 is: 223,241.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,640.57 : 372,958.10 = 148,828.62 : x
  2. Step 2: Convert to fraction form
    248,640.57/372,958.10 = 148,828.62/x
  3. Step 3: Cross multiply
    248,640.57x = 372,958.10 × 148,828.62
  4. Step 4: Simplify right side
    248,640.57x = 55,506,836,731.89
  5. Step 5: Solve for x
    x = 55,506,836,731.89/248,640.57
  6. Step 6: Final answer
    x = 223,241.27

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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.