Home / 284,712.78-392,884.92-163,834.56

Finding the Fourth Proportional to 284,712.78, 392,884.92 and 163,834.56

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Solution

The fourth proportional to 284,712.78, 392,884.92 and 163,834.56 is: 226,080.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,712.78 : 392,884.92 = 163,834.56 : x
  2. Step 2: Convert to fraction form
    284,712.78/392,884.92 = 163,834.56/x
  3. Step 3: Cross multiply
    284,712.78x = 392,884.92 × 163,834.56
  4. Step 4: Simplify right side
    284,712.78x = 64,368,127,998.84
  5. Step 5: Solve for x
    x = 64,368,127,998.84/284,712.78
  6. Step 6: Final answer
    x = 226,080.92

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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.