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Finding the Fourth Proportional to 373,530.62, 515,958.42 and 302,179.74

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Solution

The fourth proportional to 373,530.62, 515,958.42 and 302,179.74 is: 417,401.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,530.62 : 515,958.42 = 302,179.74 : x
  2. Step 2: Convert to fraction form
    373,530.62/515,958.42 = 302,179.74/x
  3. Step 3: Cross multiply
    373,530.62x = 515,958.42 × 302,179.74
  4. Step 4: Simplify right side
    373,530.62x = 155,912,181,206.41
  5. Step 5: Solve for x
    x = 155,912,181,206.41/373,530.62
  6. Step 6: Final answer
    x = 417,401.34

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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.