Home / 329,599.20-454,680-208,536.60

Finding the Fourth Proportional to 329,599.20, 454,680 and 208,536.60

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Solution

The fourth proportional to 329,599.20, 454,680 and 208,536.60 is: 287,674.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,599.20 : 454,680 = 208,536.60 : x
  2. Step 2: Convert to fraction form
    329,599.20/454,680 = 208,536.60/x
  3. Step 3: Cross multiply
    329,599.20x = 454,680 × 208,536.60
  4. Step 4: Simplify right side
    329,599.20x = 94,817,421,288
  5. Step 5: Solve for x
    x = 94,817,421,288/329,599.20
  6. Step 6: Final answer
    x = 287,674.91

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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.