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Finding the Fourth Proportional to 608,194.85, 839,294.10 and 336,255.74

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Solution

The fourth proportional to 608,194.85, 839,294.10 and 336,255.74 is: 464,024.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,194.85 : 839,294.10 = 336,255.74 : x
  2. Step 2: Convert to fraction form
    608,194.85/839,294.10 = 336,255.74/x
  3. Step 3: Cross multiply
    608,194.85x = 839,294.10 × 336,255.74
  4. Step 4: Simplify right side
    608,194.85x = 282,217,454,476.66
  5. Step 5: Solve for x
    x = 282,217,454,476.66/608,194.85
  6. Step 6: Final answer
    x = 464,024.74

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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.