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Finding the Fourth Proportional to 360,119.97, 540,050.36 and 123,399.09

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Solution

The fourth proportional to 360,119.97, 540,050.36 and 123,399.09 is: 185,054.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,119.97 : 540,050.36 = 123,399.09 : x
  2. Step 2: Convert to fraction form
    360,119.97/540,050.36 = 123,399.09/x
  3. Step 3: Cross multiply
    360,119.97x = 540,050.36 × 123,399.09
  4. Step 4: Simplify right side
    360,119.97x = 66,641,722,361.18
  5. Step 5: Solve for x
    x = 66,641,722,361.18/360,119.97
  6. Step 6: Final answer
    x = 185,054.23

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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.