Home / 329,385.96-454,385.70-208,323.36

Finding the Fourth Proportional to 329,385.96, 454,385.70 and 208,323.36

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Solution

The fourth proportional to 329,385.96, 454,385.70 and 208,323.36 is: 287,380.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,385.96 : 454,385.70 = 208,323.36 : x
  2. Step 2: Convert to fraction form
    329,385.96/454,385.70 = 208,323.36/x
  3. Step 3: Cross multiply
    329,385.96x = 454,385.70 × 208,323.36
  4. Step 4: Simplify right side
    329,385.96x = 94,659,155,759.95
  5. Step 5: Solve for x
    x = 94,659,155,759.95/329,385.96
  6. Step 6: Final answer
    x = 287,380.66

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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.