Home / 284,949.03-393,195.40-164,129.61

Finding the Fourth Proportional to 284,949.03, 393,195.40 and 164,129.61

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Solution

The fourth proportional to 284,949.03, 393,195.40 and 164,129.61 is: 226,479.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,949.03 : 393,195.40 = 164,129.61 : x
  2. Step 2: Convert to fraction form
    284,949.03/393,195.40 = 164,129.61/x
  3. Step 3: Cross multiply
    284,949.03x = 393,195.40 × 164,129.61
  4. Step 4: Simplify right side
    284,949.03x = 64,535,007,655.79
  5. Step 5: Solve for x
    x = 64,535,007,655.79/284,949.03
  6. Step 6: Final answer
    x = 226,479.13

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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.