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Finding the Fourth Proportional to 234,783.67, 352,022.40 and 154,578.87

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Solution

The fourth proportional to 234,783.67, 352,022.40 and 154,578.87 is: 231,767.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,783.67 : 352,022.40 = 154,578.87 : x
  2. Step 2: Convert to fraction form
    234,783.67/352,022.40 = 154,578.87/x
  3. Step 3: Cross multiply
    234,783.67x = 352,022.40 × 154,578.87
  4. Step 4: Simplify right side
    234,783.67x = 54,415,224,806.69
  5. Step 5: Solve for x
    x = 54,415,224,806.69/234,783.67
  6. Step 6: Final answer
    x = 231,767.50

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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.