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Finding the Fourth Proportional to 234,054.67, 322,994.62 and 126,624.73

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Solution

The fourth proportional to 234,054.67, 322,994.62 and 126,624.73 is: 174,741.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,054.67 : 322,994.62 = 126,624.73 : x
  2. Step 2: Convert to fraction form
    234,054.67/322,994.62 = 126,624.73/x
  3. Step 3: Cross multiply
    234,054.67x = 322,994.62 × 126,624.73
  4. Step 4: Simplify right side
    234,054.67x = 40,899,106,548.95
  5. Step 5: Solve for x
    x = 40,899,106,548.95/234,054.67
  6. Step 6: Final answer
    x = 174,741.68

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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.