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Finding the Fourth Proportional to 336,636, 464,557.68 and 185,733

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Solution

The fourth proportional to 336,636, 464,557.68 and 185,733 is: 256,311.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,636 : 464,557.68 = 185,733 : x
  2. Step 2: Convert to fraction form
    336,636/464,557.68 = 185,733/x
  3. Step 3: Cross multiply
    336,636x = 464,557.68 × 185,733
  4. Step 4: Simplify right side
    336,636x = 86,283,691,579.44
  5. Step 5: Solve for x
    x = 86,283,691,579.44/336,636
  6. Step 6: Final answer
    x = 256,311.54

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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.