Home / 280,960.38-387,410.02-178,824.06

Finding the Fourth Proportional to 280,960.38, 387,410.02 and 178,824.06

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Solution

The fourth proportional to 280,960.38, 387,410.02 and 178,824.06 is: 246,576.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,960.38 : 387,410.02 = 178,824.06 : x
  2. Step 2: Convert to fraction form
    280,960.38/387,410.02 = 178,824.06/x
  3. Step 3: Cross multiply
    280,960.38x = 387,410.02 × 178,824.06
  4. Step 4: Simplify right side
    280,960.38x = 69,278,232,661.08
  5. Step 5: Solve for x
    x = 69,278,232,661.08/280,960.38
  6. Step 6: Final answer
    x = 246,576.52

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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.