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Finding the Fourth Proportional to 300,122.75, 450,017.93 and 122,754.32

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Solution

The fourth proportional to 300,122.75, 450,017.93 and 122,754.32 is: 184,063.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,122.75 : 450,017.93 = 122,754.32 : x
  2. Step 2: Convert to fraction form
    300,122.75/450,017.93 = 122,754.32/x
  3. Step 3: Cross multiply
    300,122.75x = 450,017.93 × 122,754.32
  4. Step 4: Simplify right side
    300,122.75x = 55,241,642,121.10
  5. Step 5: Solve for x
    x = 55,241,642,121.10/300,122.75
  6. Step 6: Final answer
    x = 184,063.50

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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.