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Finding the Fourth Proportional to 362,748.49, 500,633.39 and 219,505.39

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Solution

The fourth proportional to 362,748.49, 500,633.39 and 219,505.39 is: 302,941.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,748.49 : 500,633.39 = 219,505.39 : x
  2. Step 2: Convert to fraction form
    362,748.49/500,633.39 = 219,505.39/x
  3. Step 3: Cross multiply
    362,748.49x = 500,633.39 × 219,505.39
  4. Step 4: Simplify right side
    362,748.49x = 109,891,727,518.97
  5. Step 5: Solve for x
    x = 109,891,727,518.97/362,748.49
  6. Step 6: Final answer
    x = 302,941.93

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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.