Home / 286,006.25-428,841.14-108,525.74

Finding the Fourth Proportional to 286,006.25, 428,841.14 and 108,525.74

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Solution

The fourth proportional to 286,006.25, 428,841.14 and 108,525.74 is: 162,724.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,006.25 : 428,841.14 = 108,525.74 : x
  2. Step 2: Convert to fraction form
    286,006.25/428,841.14 = 108,525.74/x
  3. Step 3: Cross multiply
    286,006.25x = 428,841.14 × 108,525.74
  4. Step 4: Simplify right side
    286,006.25x = 46,540,299,374.11
  5. Step 5: Solve for x
    x = 46,540,299,374.11/286,006.25
  6. Step 6: Final answer
    x = 162,724.77

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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.