Home / 358,338.28-494,494.43-197,178.26

Finding the Fourth Proportional to 358,338.28, 494,494.43 and 197,178.26

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Solution

The fourth proportional to 358,338.28, 494,494.43 and 197,178.26 is: 272,099.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,338.28 : 494,494.43 = 197,178.26 : x
  2. Step 2: Convert to fraction form
    358,338.28/494,494.43 = 197,178.26/x
  3. Step 3: Cross multiply
    358,338.28x = 494,494.43 × 197,178.26
  4. Step 4: Simplify right side
    358,338.28x = 97,503,551,287.09
  5. Step 5: Solve for x
    x = 97,503,551,287.09/358,338.28
  6. Step 6: Final answer
    x = 272,099.18

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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.