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Finding the Fourth Proportional to 377,246.72, 520,597.86 and 213,934.08

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Solution

The fourth proportional to 377,246.72, 520,597.86 and 213,934.08 is: 295,227.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,246.72 : 520,597.86 = 213,934.08 : x
  2. Step 2: Convert to fraction form
    377,246.72/520,597.86 = 213,934.08/x
  3. Step 3: Cross multiply
    377,246.72x = 520,597.86 × 213,934.08
  4. Step 4: Simplify right side
    377,246.72x = 111,373,624,229.07
  5. Step 5: Solve for x
    x = 111,373,624,229.07/377,246.72
  6. Step 6: Final answer
    x = 295,227.55

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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.