Home / 329,370.21-454,363.97-208,307.61

Finding the Fourth Proportional to 329,370.21, 454,363.97 and 208,307.61

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Solution

The fourth proportional to 329,370.21, 454,363.97 and 208,307.61 is: 287,358.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,370.21 : 454,363.97 = 208,307.61 : x
  2. Step 2: Convert to fraction form
    329,370.21/454,363.97 = 208,307.61/x
  3. Step 3: Cross multiply
    329,370.21x = 454,363.97 × 208,307.61
  4. Step 4: Simplify right side
    329,370.21x = 94,647,471,619.27
  5. Step 5: Solve for x
    x = 94,647,471,619.27/329,370.21
  6. Step 6: Final answer
    x = 287,358.93

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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.