Home / 284,747.40-393,028.20-163,927.80

Finding the Fourth Proportional to 284,747.40, 393,028.20 and 163,927.80

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Solution

The fourth proportional to 284,747.40, 393,028.20 and 163,927.80 is: 226,264.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,747.40 : 393,028.20 = 163,927.80 : x
  2. Step 2: Convert to fraction form
    284,747.40/393,028.20 = 163,927.80/x
  3. Step 3: Cross multiply
    284,747.40x = 393,028.20 × 163,927.80
  4. Step 4: Simplify right side
    284,747.40x = 64,428,248,163.96
  5. Step 5: Solve for x
    x = 64,428,248,163.96/284,747.40
  6. Step 6: Final answer
    x = 226,264.57

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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.