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Finding the Fourth Proportional to 369,658.26, 510,128.58 and 199,892.37

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Solution

The fourth proportional to 369,658.26, 510,128.58 and 199,892.37 is: 275,851.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,658.26 : 510,128.58 = 199,892.37 : x
  2. Step 2: Convert to fraction form
    369,658.26/510,128.58 = 199,892.37/x
  3. Step 3: Cross multiply
    369,658.26x = 510,128.58 × 199,892.37
  4. Step 4: Simplify right side
    369,658.26x = 101,970,810,860.94
  5. Step 5: Solve for x
    x = 101,970,810,860.94/369,658.26
  6. Step 6: Final answer
    x = 275,851.57

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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.