Home / 280,470.14-387,079.27-173,037.41

Finding the Fourth Proportional to 280,470.14, 387,079.27 and 173,037.41

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Solution

The fourth proportional to 280,470.14, 387,079.27 and 173,037.41 is: 238,810.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,470.14 : 387,079.27 = 173,037.41 : x
  2. Step 2: Convert to fraction form
    280,470.14/387,079.27 = 173,037.41/x
  3. Step 3: Cross multiply
    280,470.14x = 387,079.27 × 173,037.41
  4. Step 4: Simplify right side
    280,470.14x = 66,979,193,480.30
  5. Step 5: Solve for x
    x = 66,979,193,480.30/280,470.14
  6. Step 6: Final answer
    x = 238,810.43

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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.