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Finding the Fourth Proportional to 358,337.41, 494,493.22 and 197,177.39

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Solution

The fourth proportional to 358,337.41, 494,493.22 and 197,177.39 is: 272,097.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,337.41 : 494,493.22 = 197,177.39 : x
  2. Step 2: Convert to fraction form
    358,337.41/494,493.22 = 197,177.39/x
  3. Step 3: Cross multiply
    358,337.41x = 494,493.22 × 197,177.39
  4. Step 4: Simplify right side
    358,337.41x = 97,502,880,512.77
  5. Step 5: Solve for x
    x = 97,502,880,512.77/358,337.41
  6. Step 6: Final answer
    x = 272,097.97

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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.