Home / 280,050.24-386,492.28-159,229.44

Finding the Fourth Proportional to 280,050.24, 386,492.28 and 159,229.44

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Solution

The fourth proportional to 280,050.24, 386,492.28 and 159,229.44 is: 219,749.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,050.24 : 386,492.28 = 159,229.44 : x
  2. Step 2: Convert to fraction form
    280,050.24/386,492.28 = 159,229.44/x
  3. Step 3: Cross multiply
    280,050.24x = 386,492.28 × 159,229.44
  4. Step 4: Simplify right side
    280,050.24x = 61,540,949,308.72
  5. Step 5: Solve for x
    x = 61,540,949,308.72/280,050.24
  6. Step 6: Final answer
    x = 219,749.68

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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.