Home / 280,284.22-386,800.77-159,443.02

Finding the Fourth Proportional to 280,284.22, 386,800.77 and 159,443.02

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Solution

The fourth proportional to 280,284.22, 386,800.77 and 159,443.02 is: 220,036.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,284.22 : 386,800.77 = 159,443.02 : x
  2. Step 2: Convert to fraction form
    280,284.22/386,800.77 = 159,443.02/x
  3. Step 3: Cross multiply
    280,284.22x = 386,800.77 × 159,443.02
  4. Step 4: Simplify right side
    280,284.22x = 61,672,682,907.13
  5. Step 5: Solve for x
    x = 61,672,682,907.13/280,284.22
  6. Step 6: Final answer
    x = 220,036.23

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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.