Home / 226,982.72-312,900.10-145,298.95

Finding the Fourth Proportional to 226,982.72, 312,900.10 and 145,298.95

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Solution

The fourth proportional to 226,982.72, 312,900.10 and 145,298.95 is: 200,297.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,982.72 : 312,900.10 = 145,298.95 : x
  2. Step 2: Convert to fraction form
    226,982.72/312,900.10 = 145,298.95/x
  3. Step 3: Cross multiply
    226,982.72x = 312,900.10 × 145,298.95
  4. Step 4: Simplify right side
    226,982.72x = 45,464,054,839.40
  5. Step 5: Solve for x
    x = 45,464,054,839.40/226,982.72
  6. Step 6: Final answer
    x = 200,297.43

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1.5x scale

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.