Home / 205,819.31-308,329.43-151,685.64

Finding the Fourth Proportional to 205,819.31, 308,329.43 and 151,685.64

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Solution

The fourth proportional to 205,819.31, 308,329.43 and 151,685.64 is: 227,234.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,819.31 : 308,329.43 = 151,685.64 : x
  2. Step 2: Convert to fraction form
    205,819.31/308,329.43 = 151,685.64/x
  3. Step 3: Cross multiply
    205,819.31x = 308,329.43 × 151,685.64
  4. Step 4: Simplify right side
    205,819.31x = 46,769,146,161.96
  5. Step 5: Solve for x
    x = 46,769,146,161.96/205,819.31
  6. Step 6: Final answer
    x = 227,234.00

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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.