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Finding the Fourth Proportional to 234,672.60, 352,011.78 and 155,219.16

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Solution

The fourth proportional to 234,672.60, 352,011.78 and 155,219.16 is: 232,830.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,672.60 : 352,011.78 = 155,219.16 : x
  2. Step 2: Convert to fraction form
    234,672.60/352,011.78 = 155,219.16/x
  3. Step 3: Cross multiply
    234,672.60x = 352,011.78 × 155,219.16
  4. Step 4: Simplify right side
    234,672.60x = 54,638,972,801.70
  5. Step 5: Solve for x
    x = 54,638,972,801.70/234,672.60
  6. Step 6: Final answer
    x = 232,830.64

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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.