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Finding the Fourth Proportional to 248,720.29, 373,133.75 and 80,250.25

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Solution

The fourth proportional to 248,720.29, 373,133.75 and 80,250.25 is: 120,392.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,720.29 : 373,133.75 = 80,250.25 : x
  2. Step 2: Convert to fraction form
    248,720.29/373,133.75 = 80,250.25/x
  3. Step 3: Cross multiply
    248,720.29x = 373,133.75 × 80,250.25
  4. Step 4: Simplify right side
    248,720.29x = 29,944,076,720.94
  5. Step 5: Solve for x
    x = 29,944,076,720.94/248,720.29
  6. Step 6: Final answer
    x = 120,392.58

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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.