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Finding the Fourth Proportional to 329,052.67, 454,250.54 and 208,252.51

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Solution

The fourth proportional to 329,052.67, 454,250.54 and 208,252.51 is: 287,488.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,052.67 : 454,250.54 = 208,252.51 : x
  2. Step 2: Convert to fraction form
    329,052.67/454,250.54 = 208,252.51/x
  3. Step 3: Cross multiply
    329,052.67x = 454,250.54 × 208,252.51
  4. Step 4: Simplify right side
    329,052.67x = 94,598,815,123.86
  5. Step 5: Solve for x
    x = 94,598,815,123.86/329,052.67
  6. Step 6: Final answer
    x = 287,488.37

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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.