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Finding the Fourth Proportional to 323,496.69, 446,425.46 and 187,609.47

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Solution

The fourth proportional to 323,496.69, 446,425.46 and 187,609.47 is: 258,901.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,496.69 : 446,425.46 = 187,609.47 : x
  2. Step 2: Convert to fraction form
    323,496.69/446,425.46 = 187,609.47/x
  3. Step 3: Cross multiply
    323,496.69x = 446,425.46 × 187,609.47
  4. Step 4: Simplify right side
    323,496.69x = 83,753,643,007.06
  5. Step 5: Solve for x
    x = 83,753,643,007.06/323,496.69
  6. Step 6: Final answer
    x = 258,901.08

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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.