Home / 219,072.15-328,349.03-92,712.15

Finding the Fourth Proportional to 219,072.15, 328,349.03 and 92,712.15

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Solution

The fourth proportional to 219,072.15, 328,349.03 and 92,712.15 is: 138,958.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,072.15 : 328,349.03 = 92,712.15 : x
  2. Step 2: Convert to fraction form
    219,072.15/328,349.03 = 92,712.15/x
  3. Step 3: Cross multiply
    219,072.15x = 328,349.03 × 92,712.15
  4. Step 4: Simplify right side
    219,072.15x = 30,441,944,058.15
  5. Step 5: Solve for x
    x = 30,441,944,058.15/219,072.15
  6. Step 6: Final answer
    x = 138,958.53

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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.