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Finding the Fourth Proportional to 322,094.64, 482,953.23 and 215,599.89

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Solution

The fourth proportional to 322,094.64, 482,953.23 and 215,599.89 is: 323,273.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,094.64 : 482,953.23 = 215,599.89 : x
  2. Step 2: Convert to fraction form
    322,094.64/482,953.23 = 215,599.89/x
  3. Step 3: Cross multiply
    322,094.64x = 482,953.23 × 215,599.89
  4. Step 4: Simplify right side
    322,094.64x = 104,124,663,263.15
  5. Step 5: Solve for x
    x = 104,124,663,263.15/322,094.64
  6. Step 6: Final answer
    x = 323,273.51

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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.