Home / 280,832.25-387,487.44-166,117.22

Finding the Fourth Proportional to 280,832.25, 387,487.44 and 166,117.22

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Solution

The fourth proportional to 280,832.25, 387,487.44 and 166,117.22 is: 229,205.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,832.25 : 387,487.44 = 166,117.22 : x
  2. Step 2: Convert to fraction form
    280,832.25/387,487.44 = 166,117.22/x
  3. Step 3: Cross multiply
    280,832.25x = 387,487.44 × 166,117.22
  4. Step 4: Simplify right side
    280,832.25x = 64,368,334,380.28
  5. Step 5: Solve for x
    x = 64,368,334,380.28/280,832.25
  6. Step 6: Final answer
    x = 229,205.64

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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.