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Finding the Fourth Proportional to 352,765.60, 529,666.80 and 212,797.60

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Solution

The fourth proportional to 352,765.60, 529,666.80 and 212,797.60 is: 319,509.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,765.60 : 529,666.80 = 212,797.60 : x
  2. Step 2: Convert to fraction form
    352,765.60/529,666.80 = 212,797.60/x
  3. Step 3: Cross multiply
    352,765.60x = 529,666.80 × 212,797.60
  4. Step 4: Simplify right side
    352,765.60x = 112,711,823,839.68
  5. Step 5: Solve for x
    x = 112,711,823,839.68/352,765.60
  6. Step 6: Final answer
    x = 319,509.11

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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.