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Finding the Fourth Proportional to 567,699.60, 851,242.20 and 235,309.20

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Solution

The fourth proportional to 567,699.60, 851,242.20 and 235,309.20 is: 352,836.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,699.60 : 851,242.20 = 235,309.20 : x
  2. Step 2: Convert to fraction form
    567,699.60/851,242.20 = 235,309.20/x
  3. Step 3: Cross multiply
    567,699.60x = 851,242.20 × 235,309.20
  4. Step 4: Simplify right side
    567,699.60x = 200,305,121,088.24
  5. Step 5: Solve for x
    x = 200,305,121,088.24/567,699.60
  6. Step 6: Final answer
    x = 352,836.47

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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.