Home / 362,040.28-542,945.22-151,639

Finding the Fourth Proportional to 362,040.28, 542,945.22 and 151,639

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Solution

The fourth proportional to 362,040.28, 542,945.22 and 151,639 is: 227,410.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,040.28 : 542,945.22 = 151,639 : x
  2. Step 2: Convert to fraction form
    362,040.28/542,945.22 = 151,639/x
  3. Step 3: Cross multiply
    362,040.28x = 542,945.22 × 151,639
  4. Step 4: Simplify right side
    362,040.28x = 82,331,670,215.58
  5. Step 5: Solve for x
    x = 82,331,670,215.58/362,040.28
  6. Step 6: Final answer
    x = 227,410.25

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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.