Home / 329,427.26-454,658.38-208,579.78

Finding the Fourth Proportional to 329,427.26, 454,658.38 and 208,579.78

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Solution

The fourth proportional to 329,427.26, 454,658.38 and 208,579.78 is: 287,870.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,427.26 : 454,658.38 = 208,579.78 : x
  2. Step 2: Convert to fraction form
    329,427.26/454,658.38 = 208,579.78/x
  3. Step 3: Cross multiply
    329,427.26x = 454,658.38 × 208,579.78
  4. Step 4: Simplify right side
    329,427.26x = 94,832,544,875.56
  5. Step 5: Solve for x
    x = 94,832,544,875.56/329,427.26
  6. Step 6: Final answer
    x = 287,870.97

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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.