Home / 329,581.76-454,871.38-208,734.26

Finding the Fourth Proportional to 329,581.76, 454,871.38 and 208,734.26

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Solution

The fourth proportional to 329,581.76, 454,871.38 and 208,734.26 is: 288,084.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,581.76 : 454,871.38 = 208,734.26 : x
  2. Step 2: Convert to fraction form
    329,581.76/454,871.38 = 208,734.26/x
  3. Step 3: Cross multiply
    329,581.76x = 454,871.38 × 208,734.26
  4. Step 4: Simplify right side
    329,581.76x = 94,947,240,899.48
  5. Step 5: Solve for x
    x = 94,947,240,899.48/329,581.76
  6. Step 6: Final answer
    x = 288,084.03

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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.