Home / 284,716.11-392,889.51-163,837.89

Finding the Fourth Proportional to 284,716.11, 392,889.51 and 163,837.89

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Solution

The fourth proportional to 284,716.11, 392,889.51 and 163,837.89 is: 226,085.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,716.11 : 392,889.51 = 163,837.89 : x
  2. Step 2: Convert to fraction form
    284,716.11/392,889.51 = 163,837.89/x
  3. Step 3: Cross multiply
    284,716.11x = 392,889.51 × 163,837.89
  4. Step 4: Simplify right side
    284,716.11x = 64,370,188,321.53
  5. Step 5: Solve for x
    x = 64,370,188,321.53/284,716.11
  6. Step 6: Final answer
    x = 226,085.51

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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.