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Finding the Fourth Proportional to 219,607.25, 328,783.33 and 205,657.03

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Solution

The fourth proportional to 219,607.25, 328,783.33 and 205,657.03 is: 307,897.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,607.25 : 328,783.33 = 205,657.03 : x
  2. Step 2: Convert to fraction form
    219,607.25/328,783.33 = 205,657.03/x
  3. Step 3: Cross multiply
    219,607.25x = 328,783.33 × 205,657.03
  4. Step 4: Simplify right side
    219,607.25x = 67,616,601,825.21
  5. Step 5: Solve for x
    x = 67,616,601,825.21/219,607.25
  6. Step 6: Final answer
    x = 307,897.85

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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.