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Finding the Fourth Proportional to 329,440, 454,676 and 208,592.52

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Solution

The fourth proportional to 329,440, 454,676 and 208,592.52 is: 287,888.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,440 : 454,676 = 208,592.52 : x
  2. Step 2: Convert to fraction form
    329,440/454,676 = 208,592.52/x
  3. Step 3: Cross multiply
    329,440x = 454,676 × 208,592.52
  4. Step 4: Simplify right side
    329,440x = 94,842,012,623.52
  5. Step 5: Solve for x
    x = 94,842,012,623.52/329,440
  6. Step 6: Final answer
    x = 287,888.58

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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.