Home / 377,946.27-521,566.56-205,863.70

Finding the Fourth Proportional to 377,946.27, 521,566.56 and 205,863.70

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Solution

The fourth proportional to 377,946.27, 521,566.56 and 205,863.70 is: 284,092.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,946.27 : 521,566.56 = 205,863.70 : x
  2. Step 2: Convert to fraction form
    377,946.27/521,566.56 = 205,863.70/x
  3. Step 3: Cross multiply
    377,946.27x = 521,566.56 × 205,863.70
  4. Step 4: Simplify right side
    377,946.27x = 107,371,621,837.87
  5. Step 5: Solve for x
    x = 107,371,621,837.87/377,946.27
  6. Step 6: Final answer
    x = 284,092.29

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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.