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Finding the Fourth Proportional to 661,841.97, 992,435.02 and 235,313.88

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Solution

The fourth proportional to 661,841.97, 992,435.02 and 235,313.88 is: 352,854.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,841.97 : 992,435.02 = 235,313.88 : x
  2. Step 2: Convert to fraction form
    661,841.97/992,435.02 = 235,313.88/x
  3. Step 3: Cross multiply
    661,841.97x = 992,435.02 × 235,313.88
  4. Step 4: Simplify right side
    661,841.97x = 233,533,735,204.08
  5. Step 5: Solve for x
    x = 233,533,735,204.08/661,841.97
  6. Step 6: Final answer
    x = 352,854.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.