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Finding the Fourth Proportional to 219,251.37, 328,926.87 and 69,501

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Solution

The fourth proportional to 219,251.37, 328,926.87 and 69,501 is: 104,267.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,251.37 : 328,926.87 = 69,501 : x
  2. Step 2: Convert to fraction form
    219,251.37/328,926.87 = 69,501/x
  3. Step 3: Cross multiply
    219,251.37x = 328,926.87 × 69,501
  4. Step 4: Simplify right side
    219,251.37x = 22,860,746,391.87
  5. Step 5: Solve for x
    x = 22,860,746,391.87/219,251.37
  6. Step 6: Final answer
    x = 104,267.29

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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.