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Finding the Fourth Proportional to 323,063.88, 445,818.24 and 179,820.24

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Solution

The fourth proportional to 323,063.88, 445,818.24 and 179,820.24 is: 248,146.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,063.88 : 445,818.24 = 179,820.24 : x
  2. Step 2: Convert to fraction form
    323,063.88/445,818.24 = 179,820.24/x
  3. Step 3: Cross multiply
    323,063.88x = 445,818.24 × 179,820.24
  4. Step 4: Simplify right side
    323,063.88x = 80,167,142,913.18
  5. Step 5: Solve for x
    x = 80,167,142,913.18/323,063.88
  6. Step 6: Final answer
    x = 248,146.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.