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Finding the Fourth Proportional to 608,195.90, 839,276.42 and 336,247.94

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Solution

The fourth proportional to 608,195.90, 839,276.42 and 336,247.94 is: 464,003.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,195.90 : 839,276.42 = 336,247.94 : x
  2. Step 2: Convert to fraction form
    608,195.90/839,276.42 = 336,247.94/x
  3. Step 3: Cross multiply
    608,195.90x = 839,276.42 × 336,247.94
  4. Step 4: Simplify right side
    608,195.90x = 282,204,967,315.58
  5. Step 5: Solve for x
    x = 282,204,967,315.58/608,195.90
  6. Step 6: Final answer
    x = 464,003.40

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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.