Home / 307,258.44-423,776.28-199,862.77

Finding the Fourth Proportional to 307,258.44, 423,776.28 and 199,862.77

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Solution

The fourth proportional to 307,258.44, 423,776.28 and 199,862.77 is: 275,654.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,258.44 : 423,776.28 = 199,862.77 : x
  2. Step 2: Convert to fraction form
    307,258.44/423,776.28 = 199,862.77/x
  3. Step 3: Cross multiply
    307,258.44x = 423,776.28 × 199,862.77
  4. Step 4: Simplify right side
    307,258.44x = 84,697,101,181.10
  5. Step 5: Solve for x
    x = 84,697,101,181.10/307,258.44
  6. Step 6: Final answer
    x = 275,654.27

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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.