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Finding the Fourth Proportional to 329,148.20, 493,607.10 and 171,324.20

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Solution

The fourth proportional to 329,148.20, 493,607.10 and 171,324.20 is: 256,926.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,148.20 : 493,607.10 = 171,324.20 : x
  2. Step 2: Convert to fraction form
    329,148.20/493,607.10 = 171,324.20/x
  3. Step 3: Cross multiply
    329,148.20x = 493,607.10 × 171,324.20
  4. Step 4: Simplify right side
    329,148.20x = 84,566,841,521.82
  5. Step 5: Solve for x
    x = 84,566,841,521.82/329,148.20
  6. Step 6: Final answer
    x = 256,926.34

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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.