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Finding the Fourth Proportional to 173,919.46, 260,996.10 and 61,599.28

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Solution

The fourth proportional to 173,919.46, 260,996.10 and 61,599.28 is: 92,440.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,919.46 : 260,996.10 = 61,599.28 : x
  2. Step 2: Convert to fraction form
    173,919.46/260,996.10 = 61,599.28/x
  3. Step 3: Cross multiply
    173,919.46x = 260,996.10 × 61,599.28
  4. Step 4: Simplify right side
    173,919.46x = 16,077,171,842.81
  5. Step 5: Solve for x
    x = 16,077,171,842.81/173,919.46
  6. Step 6: Final answer
    x = 92,440.33

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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.