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Finding the Fourth Proportional to 329,597.47, 454,677.57 and 208,534.87

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Solution

The fourth proportional to 329,597.47, 454,677.57 and 208,534.87 is: 287,672.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,597.47 : 454,677.57 = 208,534.87 : x
  2. Step 2: Convert to fraction form
    329,597.47/454,677.57 = 208,534.87/x
  3. Step 3: Cross multiply
    329,597.47x = 454,677.57 × 208,534.87
  4. Step 4: Simplify right side
    329,597.47x = 94,816,126,909.19
  5. Step 5: Solve for x
    x = 94,816,126,909.19/329,597.47
  6. Step 6: Final answer
    x = 287,672.50

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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.