Home / 352,972.20-529,749.90-163,723.80

Finding the Fourth Proportional to 352,972.20, 529,749.90 and 163,723.80

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Solution

The fourth proportional to 352,972.20, 529,749.90 and 163,723.80 is: 245,720.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,972.20 : 529,749.90 = 163,723.80 : x
  2. Step 2: Convert to fraction form
    352,972.20/529,749.90 = 163,723.80/x
  3. Step 3: Cross multiply
    352,972.20x = 529,749.90 × 163,723.80
  4. Step 4: Simplify right side
    352,972.20x = 86,732,666,677.62
  5. Step 5: Solve for x
    x = 86,732,666,677.62/352,972.20
  6. Step 6: Final answer
    x = 245,720.96

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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.