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Finding the Fourth Proportional to 352,773.24, 486,897.66 and 209,612.76

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Solution

The fourth proportional to 352,773.24, 486,897.66 and 209,612.76 is: 289,307.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,773.24 : 486,897.66 = 209,612.76 : x
  2. Step 2: Convert to fraction form
    352,773.24/486,897.66 = 209,612.76/x
  3. Step 3: Cross multiply
    352,773.24x = 486,897.66 × 209,612.76
  4. Step 4: Simplify right side
    352,773.24x = 102,059,962,350.14
  5. Step 5: Solve for x
    x = 102,059,962,350.14/352,773.24
  6. Step 6: Final answer
    x = 289,307.55

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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.