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Finding the Fourth Proportional to 353,471.02, 532,129.14 and 322,083.34

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Solution

The fourth proportional to 353,471.02, 532,129.14 and 322,083.34 is: 484,876.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,471.02 : 532,129.14 = 322,083.34 : x
  2. Step 2: Convert to fraction form
    353,471.02/532,129.14 = 322,083.34/x
  3. Step 3: Cross multiply
    353,471.02x = 532,129.14 × 322,083.34
  4. Step 4: Simplify right side
    353,471.02x = 171,389,929,112.11
  5. Step 5: Solve for x
    x = 171,389,929,112.11/353,471.02
  6. Step 6: Final answer
    x = 484,876.89

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.