Home / 302,738.33-454,107.22-142,776.95

Finding the Fourth Proportional to 302,738.33, 454,107.22 and 142,776.95

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Solution

The fourth proportional to 302,738.33, 454,107.22 and 142,776.95 is: 214,165.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,738.33 : 454,107.22 = 142,776.95 : x
  2. Step 2: Convert to fraction form
    302,738.33/454,107.22 = 142,776.95/x
  3. Step 3: Cross multiply
    302,738.33x = 454,107.22 × 142,776.95
  4. Step 4: Simplify right side
    302,738.33x = 64,836,043,844.58
  5. Step 5: Solve for x
    x = 64,836,043,844.58/302,738.33
  6. Step 6: Final answer
    x = 214,165.30

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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.