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Finding the Fourth Proportional to 366,135.46, 505,285.68 and 204,980.89

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Solution

The fourth proportional to 366,135.46, 505,285.68 and 204,980.89 is: 282,884.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,135.46 : 505,285.68 = 204,980.89 : x
  2. Step 2: Convert to fraction form
    366,135.46/505,285.68 = 204,980.89/x
  3. Step 3: Cross multiply
    366,135.46x = 505,285.68 × 204,980.89
  4. Step 4: Simplify right side
    366,135.46x = 103,573,908,390.66
  5. Step 5: Solve for x
    x = 103,573,908,390.66/366,135.46
  6. Step 6: Final answer
    x = 282,884.12

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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.