Home / 280,896.49-387,606.76-166,179.43

Finding the Fourth Proportional to 280,896.49, 387,606.76 and 166,179.43

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Solution

The fourth proportional to 280,896.49, 387,606.76 and 166,179.43 is: 229,309.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,896.49 : 387,606.76 = 166,179.43 : x
  2. Step 2: Convert to fraction form
    280,896.49/387,606.76 = 166,179.43/x
  3. Step 3: Cross multiply
    280,896.49x = 387,606.76 × 166,179.43
  4. Step 4: Simplify right side
    280,896.49x = 64,412,270,440.95
  5. Step 5: Solve for x
    x = 64,412,270,440.95/280,896.49
  6. Step 6: Final answer
    x = 229,309.63

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1.5x scale

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.