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Finding the Fourth Proportional to 329,459, 454,702.22 and 208,611.52

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Solution

The fourth proportional to 329,459, 454,702.22 and 208,611.52 is: 287,914.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,459 : 454,702.22 = 208,611.52 : x
  2. Step 2: Convert to fraction form
    329,459/454,702.22 = 208,611.52/x
  3. Step 3: Cross multiply
    329,459x = 454,702.22 × 208,611.52
  4. Step 4: Simplify right side
    329,459x = 94,856,121,261.57
  5. Step 5: Solve for x
    x = 94,856,121,261.57/329,459
  6. Step 6: Final answer
    x = 287,914.80

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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.