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Finding the Fourth Proportional to 329,597.71, 454,677.91 and 208,535.11

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Solution

The fourth proportional to 329,597.71, 454,677.91 and 208,535.11 is: 287,672.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,597.71 : 454,677.91 = 208,535.11 : x
  2. Step 2: Convert to fraction form
    329,597.71/454,677.91 = 208,535.11/x
  3. Step 3: Cross multiply
    329,597.71x = 454,677.91 × 208,535.11
  4. Step 4: Simplify right side
    329,597.71x = 94,816,307,976.42
  5. Step 5: Solve for x
    x = 94,816,307,976.42/329,597.71
  6. Step 6: Final answer
    x = 287,672.84

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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.