Home / 445,204.64-668,026.20-208,506.44

Finding the Fourth Proportional to 445,204.64, 668,026.20 and 208,506.44

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Solution

The fourth proportional to 445,204.64, 668,026.20 and 208,506.44 is: 312,862.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,204.64 : 668,026.20 = 208,506.44 : x
  2. Step 2: Convert to fraction form
    445,204.64/668,026.20 = 208,506.44/x
  3. Step 3: Cross multiply
    445,204.64x = 668,026.20 × 208,506.44
  4. Step 4: Simplify right side
    445,204.64x = 139,287,764,788.73
  5. Step 5: Solve for x
    x = 139,287,764,788.73/445,204.64
  6. Step 6: Final answer
    x = 312,862.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.