Home / 307,258.94-423,776.97-199,863.27

Finding the Fourth Proportional to 307,258.94, 423,776.97 and 199,863.27

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Solution

The fourth proportional to 307,258.94, 423,776.97 and 199,863.27 is: 275,654.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,258.94 : 423,776.97 = 199,863.27 : x
  2. Step 2: Convert to fraction form
    307,258.94/423,776.97 = 199,863.27/x
  3. Step 3: Cross multiply
    307,258.94x = 423,776.97 × 199,863.27
  4. Step 4: Simplify right side
    307,258.94x = 84,697,450,974.89
  5. Step 5: Solve for x
    x = 84,697,450,974.89/307,258.94
  6. Step 6: Final answer
    x = 275,654.96

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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.