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Finding the Fourth Proportional to 371,688.96, 557,809.92 and 205,800.96

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Solution

The fourth proportional to 371,688.96, 557,809.92 and 205,800.96 is: 308,854.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,688.96 : 557,809.92 = 205,800.96 : x
  2. Step 2: Convert to fraction form
    371,688.96/557,809.92 = 205,800.96/x
  3. Step 3: Cross multiply
    371,688.96x = 557,809.92 × 205,800.96
  4. Step 4: Simplify right side
    371,688.96x = 114,797,817,033.52
  5. Step 5: Solve for x
    x = 114,797,817,033.52/371,688.96
  6. Step 6: Final answer
    x = 308,854.52

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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.