Home / 304,616.25-420,312.11-197,171.37

Finding the Fourth Proportional to 304,616.25, 420,312.11 and 197,171.37

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Solution

The fourth proportional to 304,616.25, 420,312.11 and 197,171.37 is: 272,058.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,616.25 : 420,312.11 = 197,171.37 : x
  2. Step 2: Convert to fraction form
    304,616.25/420,312.11 = 197,171.37/x
  3. Step 3: Cross multiply
    304,616.25x = 420,312.11 × 197,171.37
  4. Step 4: Simplify right side
    304,616.25x = 82,873,513,570.43
  5. Step 5: Solve for x
    x = 82,873,513,570.43/304,616.25
  6. Step 6: Final answer
    x = 272,058.74

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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.