Home / 284,943.76-393,126.89-164,082.45

Finding the Fourth Proportional to 284,943.76, 393,126.89 and 164,082.45

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Solution

The fourth proportional to 284,943.76, 393,126.89 and 164,082.45 is: 226,378.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,943.76 : 393,126.89 = 164,082.45 : x
  2. Step 2: Convert to fraction form
    284,943.76/393,126.89 = 164,082.45/x
  3. Step 3: Cross multiply
    284,943.76x = 393,126.89 × 164,082.45
  4. Step 4: Simplify right side
    284,943.76x = 64,505,223,272.08
  5. Step 5: Solve for x
    x = 64,505,223,272.08/284,943.76
  6. Step 6: Final answer
    x = 226,378.79

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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.