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Finding the Fourth Proportional to 375,432.44, 518,133.92 and 214,311.69

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Solution

The fourth proportional to 375,432.44, 518,133.92 and 214,311.69 is: 295,771.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,432.44 : 518,133.92 = 214,311.69 : x
  2. Step 2: Convert to fraction form
    375,432.44/518,133.92 = 214,311.69/x
  3. Step 3: Cross multiply
    375,432.44x = 518,133.92 × 214,311.69
  4. Step 4: Simplify right side
    375,432.44x = 111,042,154,969.97
  5. Step 5: Solve for x
    x = 111,042,154,969.97/375,432.44
  6. Step 6: Final answer
    x = 295,771.34

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1.5x scale

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.