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Finding the Fourth Proportional to 255,286.26, 352,302.48 and 140,576.76

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Solution

The fourth proportional to 255,286.26, 352,302.48 and 140,576.76 is: 194,000.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,286.26 : 352,302.48 = 140,576.76 : x
  2. Step 2: Convert to fraction form
    255,286.26/352,302.48 = 140,576.76/x
  3. Step 3: Cross multiply
    255,286.26x = 352,302.48 × 140,576.76
  4. Step 4: Simplify right side
    255,286.26x = 49,525,541,178.36
  5. Step 5: Solve for x
    x = 49,525,541,178.36/255,286.26
  6. Step 6: Final answer
    x = 194,000.03

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1.5x scale

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.