Home / 248,719.40-372,860.40-148,919.30

Finding the Fourth Proportional to 248,719.40, 372,860.40 and 148,919.30

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Solution

The fourth proportional to 248,719.40, 372,860.40 and 148,919.30 is: 223,248.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,719.40 : 372,860.40 = 148,919.30 : x
  2. Step 2: Convert to fraction form
    248,719.40/372,860.40 = 148,919.30/x
  3. Step 3: Cross multiply
    248,719.40x = 372,860.40 × 148,919.30
  4. Step 4: Simplify right side
    248,719.40x = 55,526,109,765.72
  5. Step 5: Solve for x
    x = 55,526,109,765.72/248,719.40
  6. Step 6: Final answer
    x = 223,248.00

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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.