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Finding the Fourth Proportional to 272,448.44, 408,674.94 and 94,955.16

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Solution

The fourth proportional to 272,448.44, 408,674.94 and 94,955.16 is: 142,433.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,448.44 : 408,674.94 = 94,955.16 : x
  2. Step 2: Convert to fraction form
    272,448.44/408,674.94 = 94,955.16/x
  3. Step 3: Cross multiply
    272,448.44x = 408,674.94 × 94,955.16
  4. Step 4: Simplify right side
    272,448.44x = 38,805,794,315.69
  5. Step 5: Solve for x
    x = 38,805,794,315.69/272,448.44
  6. Step 6: Final answer
    x = 142,433.53

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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.