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Finding the Fourth Proportional to 644,335.04, 966,256.44 and 211,952

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Solution

The fourth proportional to 644,335.04, 966,256.44 and 211,952 is: 317,847.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,335.04 : 966,256.44 = 211,952 : x
  2. Step 2: Convert to fraction form
    644,335.04/966,256.44 = 211,952/x
  3. Step 3: Cross multiply
    644,335.04x = 966,256.44 × 211,952
  4. Step 4: Simplify right side
    644,335.04x = 204,799,984,970.88
  5. Step 5: Solve for x
    x = 204,799,984,970.88/644,335.04
  6. Step 6: Final answer
    x = 317,847.04

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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.