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Finding the Fourth Proportional to 576,335.36, 864,426.46 and 171,520.30

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Solution

The fourth proportional to 576,335.36, 864,426.46 and 171,520.30 is: 257,257.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,335.36 : 864,426.46 = 171,520.30 : x
  2. Step 2: Convert to fraction form
    576,335.36/864,426.46 = 171,520.30/x
  3. Step 3: Cross multiply
    576,335.36x = 864,426.46 × 171,520.30
  4. Step 4: Simplify right side
    576,335.36x = 148,266,685,747.14
  5. Step 5: Solve for x
    x = 148,266,685,747.14/576,335.36
  6. Step 6: Final answer
    x = 257,257.66

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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.