Home / 358,420.28-494,619.95-195,077.96

Finding the Fourth Proportional to 358,420.28, 494,619.95 and 195,077.96

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Solution

The fourth proportional to 358,420.28, 494,619.95 and 195,077.96 is: 269,207.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,420.28 : 494,619.95 = 195,077.96 : x
  2. Step 2: Convert to fraction form
    358,420.28/494,619.95 = 195,077.96/x
  3. Step 3: Cross multiply
    358,420.28x = 494,619.95 × 195,077.96
  4. Step 4: Simplify right side
    358,420.28x = 96,489,450,821.30
  5. Step 5: Solve for x
    x = 96,489,450,821.30/358,420.28
  6. Step 6: Final answer
    x = 269,207.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.