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Finding the Fourth Proportional to 363,193.41, 501,223.05 and 302,662.65

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Solution

The fourth proportional to 363,193.41, 501,223.05 and 302,662.65 is: 417,687.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,193.41 : 501,223.05 = 302,662.65 : x
  2. Step 2: Convert to fraction form
    363,193.41/501,223.05 = 302,662.65/x
  3. Step 3: Cross multiply
    363,193.41x = 501,223.05 × 302,662.65
  4. Step 4: Simplify right side
    363,193.41x = 151,701,496,554.08
  5. Step 5: Solve for x
    x = 151,701,496,554.08/363,193.41
  6. Step 6: Final answer
    x = 417,687.91

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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.