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Finding the Fourth Proportional to 219,397.88, 329,109.08 and 61,614

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Solution

The fourth proportional to 219,397.88, 329,109.08 and 61,614 is: 92,424.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,397.88 : 329,109.08 = 61,614 : x
  2. Step 2: Convert to fraction form
    219,397.88/329,109.08 = 61,614/x
  3. Step 3: Cross multiply
    219,397.88x = 329,109.08 × 61,614
  4. Step 4: Simplify right side
    219,397.88x = 20,277,726,547.05
  5. Step 5: Solve for x
    x = 20,277,726,547.05/219,397.88
  6. Step 6: Final answer
    x = 92,424.44

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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.