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Finding the Fourth Proportional to 362,300.11, 499,996.80 and 209,366.39

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Solution

The fourth proportional to 362,300.11, 499,996.80 and 209,366.39 is: 288,938.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,300.11 : 499,996.80 = 209,366.39 : x
  2. Step 2: Convert to fraction form
    362,300.11/499,996.80 = 209,366.39/x
  3. Step 3: Cross multiply
    362,300.11x = 499,996.80 × 209,366.39
  4. Step 4: Simplify right side
    362,300.11x = 104,682,526,277.54
  5. Step 5: Solve for x
    x = 104,682,526,277.54/362,300.11
  6. Step 6: Final answer
    x = 288,938.71

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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.