Home / 383,912.72-575,623.02-159,428.10

Finding the Fourth Proportional to 383,912.72, 575,623.02 and 159,428.10

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Solution

The fourth proportional to 383,912.72, 575,623.02 and 159,428.10 is: 239,039.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,912.72 : 575,623.02 = 159,428.10 : x
  2. Step 2: Convert to fraction form
    383,912.72/575,623.02 = 159,428.10/x
  3. Step 3: Cross multiply
    383,912.72x = 575,623.02 × 159,428.10
  4. Step 4: Simplify right side
    383,912.72x = 91,770,484,394.86
  5. Step 5: Solve for x
    x = 91,770,484,394.86/383,912.72
  6. Step 6: Final answer
    x = 239,039.97

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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.