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Finding the Fourth Proportional to 360,643.96, 541,015.15 and 150,232.69

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Solution

The fourth proportional to 360,643.96, 541,015.15 and 150,232.69 is: 225,369.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,643.96 : 541,015.15 = 150,232.69 : x
  2. Step 2: Convert to fraction form
    360,643.96/541,015.15 = 150,232.69/x
  3. Step 3: Cross multiply
    360,643.96x = 541,015.15 × 150,232.69
  4. Step 4: Simplify right side
    360,643.96x = 81,278,160,150.51
  5. Step 5: Solve for x
    x = 81,278,160,150.51/360,643.96
  6. Step 6: Final answer
    x = 225,369.53

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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.