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Finding the Fourth Proportional to 375,400.04, 518,060.42 and 214,251.86

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Solution

The fourth proportional to 375,400.04, 518,060.42 and 214,251.86 is: 295,672.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,400.04 : 518,060.42 = 214,251.86 : x
  2. Step 2: Convert to fraction form
    375,400.04/518,060.42 = 214,251.86/x
  3. Step 3: Cross multiply
    375,400.04x = 518,060.42 × 214,251.86
  4. Step 4: Simplify right side
    375,400.04x = 110,995,405,987.08
  5. Step 5: Solve for x
    x = 110,995,405,987.08/375,400.04
  6. Step 6: Final answer
    x = 295,672.33

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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.