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Finding the Fourth Proportional to 364,966.22, 503,373.48 and 219,620.48

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Solution

The fourth proportional to 364,966.22, 503,373.48 and 219,620.48 is: 302,907.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,966.22 : 503,373.48 = 219,620.48 : x
  2. Step 2: Convert to fraction form
    364,966.22/503,373.48 = 219,620.48/x
  3. Step 3: Cross multiply
    364,966.22x = 503,373.48 × 219,620.48
  4. Step 4: Simplify right side
    364,966.22x = 110,551,125,296.87
  5. Step 5: Solve for x
    x = 110,551,125,296.87/364,966.22
  6. Step 6: Final answer
    x = 302,907.83

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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.