Home / 286,849.91-395,847.24-159,522.77

Finding the Fourth Proportional to 286,849.91, 395,847.24 and 159,522.77

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Solution

The fourth proportional to 286,849.91, 395,847.24 and 159,522.77 is: 220,138.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,849.91 : 395,847.24 = 159,522.77 : x
  2. Step 2: Convert to fraction form
    286,849.91/395,847.24 = 159,522.77/x
  3. Step 3: Cross multiply
    286,849.91x = 395,847.24 × 159,522.77
  4. Step 4: Simplify right side
    286,849.91x = 63,146,646,242.42
  5. Step 5: Solve for x
    x = 63,146,646,242.42/286,849.91
  6. Step 6: Final answer
    x = 220,138.29

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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.