Home / 206,845.14-310,285.61-57,085.46

Finding the Fourth Proportional to 206,845.14, 310,285.61 and 57,085.46

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Solution

The fourth proportional to 206,845.14, 310,285.61 and 57,085.46 is: 85,633.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,845.14 : 310,285.61 = 57,085.46 : x
  2. Step 2: Convert to fraction form
    206,845.14/310,285.61 = 57,085.46/x
  3. Step 3: Cross multiply
    206,845.14x = 310,285.61 × 57,085.46
  4. Step 4: Simplify right side
    206,845.14x = 17,712,794,941.38
  5. Step 5: Solve for x
    x = 17,712,794,941.38/206,845.14
  6. Step 6: Final answer
    x = 85,633.12

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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.