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Finding the Fourth Proportional to 339,715.41, 468,813.23 and 186,760.02

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Solution

The fourth proportional to 339,715.41, 468,813.23 and 186,760.02 is: 257,732.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,715.41 : 468,813.23 = 186,760.02 : x
  2. Step 2: Convert to fraction form
    339,715.41/468,813.23 = 186,760.02/x
  3. Step 3: Cross multiply
    339,715.41x = 468,813.23 × 186,760.02
  4. Step 4: Simplify right side
    339,715.41x = 87,555,567,277.26
  5. Step 5: Solve for x
    x = 87,555,567,277.26/339,715.41
  6. Step 6: Final answer
    x = 257,732.10

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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.