Home / 248,278.20-372,417.30-148,745.40

Finding the Fourth Proportional to 248,278.20, 372,417.30 and 148,745.40

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Solution

The fourth proportional to 248,278.20, 372,417.30 and 148,745.40 is: 223,118.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,278.20 : 372,417.30 = 148,745.40 : x
  2. Step 2: Convert to fraction form
    248,278.20/372,417.30 = 148,745.40/x
  3. Step 3: Cross multiply
    248,278.20x = 372,417.30 × 148,745.40
  4. Step 4: Simplify right side
    248,278.20x = 55,395,360,255.42
  5. Step 5: Solve for x
    x = 55,395,360,255.42/248,278.20
  6. Step 6: Final answer
    x = 223,118.10

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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.