Home / 307,384.56-424,258.38-199,767.60

Finding the Fourth Proportional to 307,384.56, 424,258.38 and 199,767.60

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Solution

The fourth proportional to 307,384.56, 424,258.38 and 199,767.60 is: 275,723.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,384.56 : 424,258.38 = 199,767.60 : x
  2. Step 2: Convert to fraction form
    307,384.56/424,258.38 = 199,767.60/x
  3. Step 3: Cross multiply
    307,384.56x = 424,258.38 × 199,767.60
  4. Step 4: Simplify right side
    307,384.56x = 84,753,078,352.49
  5. Step 5: Solve for x
    x = 84,753,078,352.49/307,384.56
  6. Step 6: Final answer
    x = 275,723.28

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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.