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Finding the Fourth Proportional to 295,578.29, 443,377.02 and 115,656.64

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Solution

The fourth proportional to 295,578.29, 443,377.02 and 115,656.64 is: 173,488.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,578.29 : 443,377.02 = 115,656.64 : x
  2. Step 2: Convert to fraction form
    295,578.29/443,377.02 = 115,656.64/x
  3. Step 3: Cross multiply
    295,578.29x = 443,377.02 × 115,656.64
  4. Step 4: Simplify right side
    295,578.29x = 51,279,496,386.41
  5. Step 5: Solve for x
    x = 51,279,496,386.41/295,578.29
  6. Step 6: Final answer
    x = 173,488.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.