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Finding the Fourth Proportional to 252,810.81, 379,270.88 and 75,332.12

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Solution

The fourth proportional to 252,810.81, 379,270.88 and 75,332.12 is: 113,014.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,810.81 : 379,270.88 = 75,332.12 : x
  2. Step 2: Convert to fraction form
    252,810.81/379,270.88 = 75,332.12/x
  3. Step 3: Cross multiply
    252,810.81x = 379,270.88 × 75,332.12
  4. Step 4: Simplify right side
    252,810.81x = 28,571,277,171.65
  5. Step 5: Solve for x
    x = 28,571,277,171.65/252,810.81
  6. Step 6: Final answer
    x = 113,014.46

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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.