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Finding the Fourth Proportional to 364,392.60, 502,860.48 and 203,247.52

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Solution

The fourth proportional to 364,392.60, 502,860.48 and 203,247.52 is: 280,480.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,392.60 : 502,860.48 = 203,247.52 : x
  2. Step 2: Convert to fraction form
    364,392.60/502,860.48 = 203,247.52/x
  3. Step 3: Cross multiply
    364,392.60x = 502,860.48 × 203,247.52
  4. Step 4: Simplify right side
    364,392.60x = 102,205,145,466.01
  5. Step 5: Solve for x
    x = 102,205,145,466.01/364,392.60
  6. Step 6: Final answer
    x = 280,480.85

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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.