Home / 356,293.44-491,693.76-195,155.28

Finding the Fourth Proportional to 356,293.44, 491,693.76 and 195,155.28

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Solution

The fourth proportional to 356,293.44, 491,693.76 and 195,155.28 is: 269,319.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,293.44 : 491,693.76 = 195,155.28 : x
  2. Step 2: Convert to fraction form
    356,293.44/491,693.76 = 195,155.28/x
  3. Step 3: Cross multiply
    356,293.44x = 491,693.76 × 195,155.28
  4. Step 4: Simplify right side
    356,293.44x = 95,956,633,407.05
  5. Step 5: Solve for x
    x = 95,956,633,407.05/356,293.44
  6. Step 6: Final answer
    x = 269,319.11

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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.