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Finding the Fourth Proportional to 302,736, 417,788.64 and 168,600

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Solution

The fourth proportional to 302,736, 417,788.64 and 168,600 is: 232,675.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,736 : 417,788.64 = 168,600 : x
  2. Step 2: Convert to fraction form
    302,736/417,788.64 = 168,600/x
  3. Step 3: Cross multiply
    302,736x = 417,788.64 × 168,600
  4. Step 4: Simplify right side
    302,736x = 70,439,164,704
  5. Step 5: Solve for x
    x = 70,439,164,704/302,736
  6. Step 6: Final answer
    x = 232,675.22

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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.