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Finding the Fourth Proportional to 329,577.26, 454,865.16 and 208,729.80

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Solution

The fourth proportional to 329,577.26, 454,865.16 and 208,729.80 is: 288,077.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,577.26 : 454,865.16 = 208,729.80 : x
  2. Step 2: Convert to fraction form
    329,577.26/454,865.16 = 208,729.80/x
  3. Step 3: Cross multiply
    329,577.26x = 454,865.16 × 208,729.80
  4. Step 4: Simplify right side
    329,577.26x = 94,943,913,873.77
  5. Step 5: Solve for x
    x = 94,943,913,873.77/329,577.26
  6. Step 6: Final answer
    x = 288,077.87

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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.