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Finding the Fourth Proportional to 344,084.40, 515,890.80 and 175,277.88

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Solution

The fourth proportional to 344,084.40, 515,890.80 and 175,277.88 is: 262,796.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,084.40 : 515,890.80 = 175,277.88 : x
  2. Step 2: Convert to fraction form
    344,084.40/515,890.80 = 175,277.88/x
  3. Step 3: Cross multiply
    344,084.40x = 515,890.80 × 175,277.88
  4. Step 4: Simplify right side
    344,084.40x = 90,424,245,735.50
  5. Step 5: Solve for x
    x = 90,424,245,735.50/344,084.40
  6. Step 6: Final answer
    x = 262,796.70

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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.