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Finding the Fourth Proportional to 576,383.20, 864,616.26 and 221,397.24

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Solution

The fourth proportional to 576,383.20, 864,616.26 and 221,397.24 is: 332,111.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,383.20 : 864,616.26 = 221,397.24 : x
  2. Step 2: Convert to fraction form
    576,383.20/864,616.26 = 221,397.24/x
  3. Step 3: Cross multiply
    576,383.20x = 864,616.26 × 221,397.24
  4. Step 4: Simplify right side
    576,383.20x = 191,423,653,623.12
  5. Step 5: Solve for x
    x = 191,423,653,623.12/576,383.20
  6. Step 6: Final answer
    x = 332,111.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.