Home / 362,039.28-542,943.72-151,638

Finding the Fourth Proportional to 362,039.28, 542,943.72 and 151,638

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Solution

The fourth proportional to 362,039.28, 542,943.72 and 151,638 is: 227,408.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,039.28 : 542,943.72 = 151,638 : x
  2. Step 2: Convert to fraction form
    362,039.28/542,943.72 = 151,638/x
  3. Step 3: Cross multiply
    362,039.28x = 542,943.72 × 151,638
  4. Step 4: Simplify right side
    362,039.28x = 82,330,899,813.36
  5. Step 5: Solve for x
    x = 82,330,899,813.36/362,039.28
  6. Step 6: Final answer
    x = 227,408.75

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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.