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Finding the Fourth Proportional to 329,427.77, 454,659.08 and 208,580.27

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Solution

The fourth proportional to 329,427.77, 454,659.08 and 208,580.27 is: 287,871.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,427.77 : 454,659.08 = 208,580.27 : x
  2. Step 2: Convert to fraction form
    329,427.77/454,659.08 = 208,580.27/x
  3. Step 3: Cross multiply
    329,427.77x = 454,659.08 × 208,580.27
  4. Step 4: Simplify right side
    329,427.77x = 94,832,910,348.15
  5. Step 5: Solve for x
    x = 94,832,910,348.15/329,427.77
  6. Step 6: Final answer
    x = 287,871.64

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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.