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Finding the Fourth Proportional to 248,907.94, 373,330.13 and 80,410.75

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Solution

The fourth proportional to 248,907.94, 373,330.13 and 80,410.75 is: 120,605.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,907.94 : 373,330.13 = 80,410.75 : x
  2. Step 2: Convert to fraction form
    248,907.94/373,330.13 = 80,410.75/x
  3. Step 3: Cross multiply
    248,907.94x = 373,330.13 × 80,410.75
  4. Step 4: Simplify right side
    248,907.94x = 30,019,755,578.59
  5. Step 5: Solve for x
    x = 30,019,755,578.59/248,907.94
  6. Step 6: Final answer
    x = 120,605.86

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1.5x scale

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.