Home / 284,865.29-393,070.44-163,983.22

Finding the Fourth Proportional to 284,865.29, 393,070.44 and 163,983.22

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Solution

The fourth proportional to 284,865.29, 393,070.44 and 163,983.22 is: 226,271.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,865.29 : 393,070.44 = 163,983.22 : x
  2. Step 2: Convert to fraction form
    284,865.29/393,070.44 = 163,983.22/x
  3. Step 3: Cross multiply
    284,865.29x = 393,070.44 × 163,983.22
  4. Step 4: Simplify right side
    284,865.29x = 64,456,956,109.44
  5. Step 5: Solve for x
    x = 64,456,956,109.44/284,865.29
  6. Step 6: Final answer
    x = 226,271.71

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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.