Home / 358,257.45-494,402.94-197,112.96

Finding the Fourth Proportional to 358,257.45, 494,402.94 and 197,112.96

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Solution

The fourth proportional to 358,257.45, 494,402.94 and 197,112.96 is: 272,020.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,257.45 : 494,402.94 = 197,112.96 : x
  2. Step 2: Convert to fraction form
    358,257.45/494,402.94 = 197,112.96/x
  3. Step 3: Cross multiply
    358,257.45x = 494,402.94 × 197,112.96
  4. Step 4: Simplify right side
    358,257.45x = 97,453,226,936.10
  5. Step 5: Solve for x
    x = 97,453,226,936.10/358,257.45
  6. Step 6: Final answer
    x = 272,020.10

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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.