Home / 280,608.26-387,366.84-178,773.35

Finding the Fourth Proportional to 280,608.26, 387,366.84 and 178,773.35

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Solution

The fourth proportional to 280,608.26, 387,366.84 and 178,773.35 is: 246,788.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,608.26 : 387,366.84 = 178,773.35 : x
  2. Step 2: Convert to fraction form
    280,608.26/387,366.84 = 178,773.35/x
  3. Step 3: Cross multiply
    280,608.26x = 387,366.84 × 178,773.35
  4. Step 4: Simplify right side
    280,608.26x = 69,250,865,728.88
  5. Step 5: Solve for x
    x = 69,250,865,728.88/280,608.26
  6. Step 6: Final answer
    x = 246,788.41

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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.