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Finding the Fourth Proportional to 244,464.32, 336,729.72 and 172,719.80

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Solution

The fourth proportional to 244,464.32, 336,729.72 and 172,719.80 is: 237,907.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,464.32 : 336,729.72 = 172,719.80 : x
  2. Step 2: Convert to fraction form
    244,464.32/336,729.72 = 172,719.80/x
  3. Step 3: Cross multiply
    244,464.32x = 336,729.72 × 172,719.80
  4. Step 4: Simplify right side
    244,464.32x = 58,159,889,892.46
  5. Step 5: Solve for x
    x = 58,159,889,892.46/244,464.32
  6. Step 6: Final answer
    x = 237,907.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.