Home / 280,164.51-386,625.23-159,305.83

Finding the Fourth Proportional to 280,164.51, 386,625.23 and 159,305.83

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Solution

The fourth proportional to 280,164.51, 386,625.23 and 159,305.83 is: 219,841.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,164.51 : 386,625.23 = 159,305.83 : x
  2. Step 2: Convert to fraction form
    280,164.51/386,625.23 = 159,305.83/x
  3. Step 3: Cross multiply
    280,164.51x = 386,625.23 × 159,305.83
  4. Step 4: Simplify right side
    280,164.51x = 61,591,651,998.40
  5. Step 5: Solve for x
    x = 61,591,651,998.40/280,164.51
  6. Step 6: Final answer
    x = 219,841.02

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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.