Home / 248,541.40-372,784.20-68,652.40

Finding the Fourth Proportional to 248,541.40, 372,784.20 and 68,652.40

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Solution

The fourth proportional to 248,541.40, 372,784.20 and 68,652.40 is: 102,970.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,541.40 : 372,784.20 = 68,652.40 : x
  2. Step 2: Convert to fraction form
    248,541.40/372,784.20 = 68,652.40/x
  3. Step 3: Cross multiply
    248,541.40x = 372,784.20 × 68,652.40
  4. Step 4: Simplify right side
    248,541.40x = 25,592,530,012.08
  5. Step 5: Solve for x
    x = 25,592,530,012.08/248,541.40
  6. Step 6: Final answer
    x = 102,970.89

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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.