Home / 286,587.14-395,458.80-165,710.12

Finding the Fourth Proportional to 286,587.14, 395,458.80 and 165,710.12

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Solution

The fourth proportional to 286,587.14, 395,458.80 and 165,710.12 is: 228,661.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,587.14 : 395,458.80 = 165,710.12 : x
  2. Step 2: Convert to fraction form
    286,587.14/395,458.80 = 165,710.12/x
  3. Step 3: Cross multiply
    286,587.14x = 395,458.80 × 165,710.12
  4. Step 4: Simplify right side
    286,587.14x = 65,531,523,225.76
  5. Step 5: Solve for x
    x = 65,531,523,225.76/286,587.14
  6. Step 6: Final answer
    x = 228,661.78

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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.