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Finding the Fourth Proportional to 347,231.40, 520,847.10 and 169,852.20

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Solution

The fourth proportional to 347,231.40, 520,847.10 and 169,852.20 is: 254,778.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,231.40 : 520,847.10 = 169,852.20 : x
  2. Step 2: Convert to fraction form
    347,231.40/520,847.10 = 169,852.20/x
  3. Step 3: Cross multiply
    347,231.40x = 520,847.10 × 169,852.20
  4. Step 4: Simplify right side
    347,231.40x = 88,467,025,798.62
  5. Step 5: Solve for x
    x = 88,467,025,798.62/347,231.40
  6. Step 6: Final answer
    x = 254,778.30

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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.