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Finding the Fourth Proportional to 344,040, 515,927.28 and 133,650.24

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Solution

The fourth proportional to 344,040, 515,927.28 and 133,650.24 is: 200,423.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,040 : 515,927.28 = 133,650.24 : x
  2. Step 2: Convert to fraction form
    344,040/515,927.28 = 133,650.24/x
  3. Step 3: Cross multiply
    344,040x = 515,927.28 × 133,650.24
  4. Step 4: Simplify right side
    344,040x = 68,953,804,794.55
  5. Step 5: Solve for x
    x = 68,953,804,794.55/344,040
  6. Step 6: Final answer
    x = 200,423.80

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1.5x scale

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.