Home / 286,340.10-395,167.62-159,015.72

Finding the Fourth Proportional to 286,340.10, 395,167.62 and 159,015.72

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Solution

The fourth proportional to 286,340.10, 395,167.62 and 159,015.72 is: 219,451.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,340.10 : 395,167.62 = 159,015.72 : x
  2. Step 2: Convert to fraction form
    286,340.10/395,167.62 = 159,015.72/x
  3. Step 3: Cross multiply
    286,340.10x = 395,167.62 × 159,015.72
  4. Step 4: Simplify right side
    286,340.10x = 62,837,863,614.99
  5. Step 5: Solve for x
    x = 62,837,863,614.99/286,340.10
  6. Step 6: Final answer
    x = 219,451.85

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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.