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Finding the Fourth Proportional to 608,193.90, 839,273.67 and 336,245.94

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Solution

The fourth proportional to 608,193.90, 839,273.67 and 336,245.94 is: 464,000.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,193.90 : 839,273.67 = 336,245.94 : x
  2. Step 2: Convert to fraction form
    608,193.90/839,273.67 = 336,245.94/x
  3. Step 3: Cross multiply
    608,193.90x = 839,273.67 × 336,245.94
  4. Step 4: Simplify right side
    608,193.90x = 282,202,364,086.40
  5. Step 5: Solve for x
    x = 282,202,364,086.40/608,193.90
  6. Step 6: Final answer
    x = 464,000.65

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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.