Home / 280,733.14-387,451.25-178,726.02

Finding the Fourth Proportional to 280,733.14, 387,451.25 and 178,726.02

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Solution

The fourth proportional to 280,733.14, 387,451.25 and 178,726.02 is: 246,667.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,733.14 : 387,451.25 = 178,726.02 : x
  2. Step 2: Convert to fraction form
    280,733.14/387,451.25 = 178,726.02/x
  3. Step 3: Cross multiply
    280,733.14x = 387,451.25 × 178,726.02
  4. Step 4: Simplify right side
    280,733.14x = 69,247,619,856.53
  5. Step 5: Solve for x
    x = 69,247,619,856.53/280,733.14
  6. Step 6: Final answer
    x = 246,667.07

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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.