Home / 248,548.60-372,490.26-90,628.12

Finding the Fourth Proportional to 248,548.60, 372,490.26 and 90,628.12

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Solution

The fourth proportional to 248,548.60, 372,490.26 and 90,628.12 is: 135,820.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,548.60 : 372,490.26 = 90,628.12 : x
  2. Step 2: Convert to fraction form
    248,548.60/372,490.26 = 90,628.12/x
  3. Step 3: Cross multiply
    248,548.60x = 372,490.26 × 90,628.12
  4. Step 4: Simplify right side
    248,548.60x = 33,758,091,982.11
  5. Step 5: Solve for x
    x = 33,758,091,982.11/248,548.60
  6. Step 6: Final answer
    x = 135,820.89

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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.