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Finding the Fourth Proportional to 368,843.41, 508,998.90 and 207,700.39

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Solution

The fourth proportional to 368,843.41, 508,998.90 and 207,700.39 is: 286,623.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,843.41 : 508,998.90 = 207,700.39 : x
  2. Step 2: Convert to fraction form
    368,843.41/508,998.90 = 207,700.39/x
  3. Step 3: Cross multiply
    368,843.41x = 508,998.90 × 207,700.39
  4. Step 4: Simplify right side
    368,843.41x = 105,719,270,039.57
  5. Step 5: Solve for x
    x = 105,719,270,039.57/368,843.41
  6. Step 6: Final answer
    x = 286,623.72

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.