Home / 358,916.53-495,326.91-197,771.55

Finding the Fourth Proportional to 358,916.53, 495,326.91 and 197,771.55

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Solution

The fourth proportional to 358,916.53, 495,326.91 and 197,771.55 is: 272,936.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,916.53 : 495,326.91 = 197,771.55 : x
  2. Step 2: Convert to fraction form
    358,916.53/495,326.91 = 197,771.55/x
  3. Step 3: Cross multiply
    358,916.53x = 495,326.91 × 197,771.55
  4. Step 4: Simplify right side
    358,916.53x = 97,961,568,765.20
  5. Step 5: Solve for x
    x = 97,961,568,765.20/358,916.53
  6. Step 6: Final answer
    x = 272,936.91

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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.