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Finding the Fourth Proportional to 248,644.40, 372,963.80 and 148,832.44

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Solution

The fourth proportional to 248,644.40, 372,963.80 and 148,832.44 is: 223,246.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,644.40 : 372,963.80 = 148,832.44 : x
  2. Step 2: Convert to fraction form
    248,644.40/372,963.80 = 148,832.44/x
  3. Step 3: Cross multiply
    248,644.40x = 372,963.80 × 148,832.44
  4. Step 4: Simplify right side
    248,644.40x = 55,509,112,385.67
  5. Step 5: Solve for x
    x = 55,509,112,385.67/248,644.40
  6. Step 6: Final answer
    x = 223,246.98

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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.