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Finding the Fourth Proportional to 248,591.64, 372,623.22 and 169,509.72

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Solution

The fourth proportional to 248,591.64, 372,623.22 and 169,509.72 is: 254,084.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,591.64 : 372,623.22 = 169,509.72 : x
  2. Step 2: Convert to fraction form
    248,591.64/372,623.22 = 169,509.72/x
  3. Step 3: Cross multiply
    248,591.64x = 372,623.22 × 169,509.72
  4. Step 4: Simplify right side
    248,591.64x = 63,163,257,687.70
  5. Step 5: Solve for x
    x = 63,163,257,687.70/248,591.64
  6. Step 6: Final answer
    x = 254,084.40

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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.