Home / 213,066.49-319,187.59-178,461.41

Finding the Fourth Proportional to 213,066.49, 319,187.59 and 178,461.41

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Solution

The fourth proportional to 213,066.49, 319,187.59 and 178,461.41 is: 267,346.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,066.49 : 319,187.59 = 178,461.41 : x
  2. Step 2: Convert to fraction form
    213,066.49/319,187.59 = 178,461.41/x
  3. Step 3: Cross multiply
    213,066.49x = 319,187.59 × 178,461.41
  4. Step 4: Simplify right side
    213,066.49x = 56,962,667,365.90
  5. Step 5: Solve for x
    x = 56,962,667,365.90/213,066.49
  6. Step 6: Final answer
    x = 267,346.91

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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.