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Finding the Fourth Proportional to 363,969.05, 502,279.25 and 211,097.81

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Solution

The fourth proportional to 363,969.05, 502,279.25 and 211,097.81 is: 291,316.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,969.05 : 502,279.25 = 211,097.81 : x
  2. Step 2: Convert to fraction form
    363,969.05/502,279.25 = 211,097.81/x
  3. Step 3: Cross multiply
    363,969.05x = 502,279.25 × 211,097.81
  4. Step 4: Simplify right side
    363,969.05x = 106,030,049,883.65
  5. Step 5: Solve for x
    x = 106,030,049,883.65/363,969.05
  6. Step 6: Final answer
    x = 291,316.12

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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.