Home / 284,944.57-393,224.31-157,620.17

Finding the Fourth Proportional to 284,944.57, 393,224.31 and 157,620.17

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Solution

The fourth proportional to 284,944.57, 393,224.31 and 157,620.17 is: 217,516.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,944.57 : 393,224.31 = 157,620.17 : x
  2. Step 2: Convert to fraction form
    284,944.57/393,224.31 = 157,620.17/x
  3. Step 3: Cross multiply
    284,944.57x = 393,224.31 × 157,620.17
  4. Step 4: Simplify right side
    284,944.57x = 61,980,080,586.88
  5. Step 5: Solve for x
    x = 61,980,080,586.88/284,944.57
  6. Step 6: Final answer
    x = 217,516.27

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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.