Home / 248,266.82-372,399.66-90,430.76

Finding the Fourth Proportional to 248,266.82, 372,399.66 and 90,430.76

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Solution

The fourth proportional to 248,266.82, 372,399.66 and 90,430.76 is: 135,645.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,266.82 : 372,399.66 = 90,430.76 : x
  2. Step 2: Convert to fraction form
    248,266.82/372,399.66 = 90,430.76/x
  3. Step 3: Cross multiply
    248,266.82x = 372,399.66 × 90,430.76
  4. Step 4: Simplify right side
    248,266.82x = 33,676,384,277.54
  5. Step 5: Solve for x
    x = 33,676,384,277.54/248,266.82
  6. Step 6: Final answer
    x = 135,645.93

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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.