Home / 286,329.77-395,169.94-165,472.05

Finding the Fourth Proportional to 286,329.77, 395,169.94 and 165,472.05

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Solution

The fourth proportional to 286,329.77, 395,169.94 and 165,472.05 is: 228,371.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,329.77 : 395,169.94 = 165,472.05 : x
  2. Step 2: Convert to fraction form
    286,329.77/395,169.94 = 165,472.05/x
  3. Step 3: Cross multiply
    286,329.77x = 395,169.94 × 165,472.05
  4. Step 4: Simplify right side
    286,329.77x = 65,389,580,070.18
  5. Step 5: Solve for x
    x = 65,389,580,070.18/286,329.77
  6. Step 6: Final answer
    x = 228,371.57

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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.