Home / 286,182.72-394,898.09-165,299.94

Finding the Fourth Proportional to 286,182.72, 394,898.09 and 165,299.94

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Solution

The fourth proportional to 286,182.72, 394,898.09 and 165,299.94 is: 228,094.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,182.72 : 394,898.09 = 165,299.94 : x
  2. Step 2: Convert to fraction form
    286,182.72/394,898.09 = 165,299.94/x
  3. Step 3: Cross multiply
    286,182.72x = 394,898.09 × 165,299.94
  4. Step 4: Simplify right side
    286,182.72x = 65,276,629,756.61
  5. Step 5: Solve for x
    x = 65,276,629,756.61/286,182.72
  6. Step 6: Final answer
    x = 228,094.24

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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.