Home / 280,051.24-386,493.66-159,230.44

Finding the Fourth Proportional to 280,051.24, 386,493.66 and 159,230.44

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Solution

The fourth proportional to 280,051.24, 386,493.66 and 159,230.44 is: 219,751.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,051.24 : 386,493.66 = 159,230.44 : x
  2. Step 2: Convert to fraction form
    280,051.24/386,493.66 = 159,230.44/x
  3. Step 3: Cross multiply
    280,051.24x = 386,493.66 × 159,230.44
  4. Step 4: Simplify right side
    280,051.24x = 61,541,555,539.01
  5. Step 5: Solve for x
    x = 61,541,555,539.01/280,051.24
  6. Step 6: Final answer
    x = 219,751.06

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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.