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Finding the Fourth Proportional to 395,667.62, 546,048.11 and 223,525.88

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Solution

The fourth proportional to 395,667.62, 546,048.11 and 223,525.88 is: 308,480.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,667.62 : 546,048.11 = 223,525.88 : x
  2. Step 2: Convert to fraction form
    395,667.62/546,048.11 = 223,525.88/x
  3. Step 3: Cross multiply
    395,667.62x = 546,048.11 × 223,525.88
  4. Step 4: Simplify right side
    395,667.62x = 122,055,883,192.46
  5. Step 5: Solve for x
    x = 122,055,883,192.46/395,667.62
  6. Step 6: Final answer
    x = 308,480.85

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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.