Home / 286,249.02-429,118.38-108,635.46

Finding the Fourth Proportional to 286,249.02, 429,118.38 and 108,635.46

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Solution

The fourth proportional to 286,249.02, 429,118.38 and 108,635.46 is: 162,856.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,249.02 : 429,118.38 = 108,635.46 : x
  2. Step 2: Convert to fraction form
    286,249.02/429,118.38 = 108,635.46/x
  3. Step 3: Cross multiply
    286,249.02x = 429,118.38 × 108,635.46
  4. Step 4: Simplify right side
    286,249.02x = 46,617,472,605.75
  5. Step 5: Solve for x
    x = 46,617,472,605.75/286,249.02
  6. Step 6: Final answer
    x = 162,856.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.