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Finding the Fourth Proportional to 247,213.29, 370,830.72 and 120,959.84

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Solution

The fourth proportional to 247,213.29, 370,830.72 and 120,959.84 is: 181,445.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,213.29 : 370,830.72 = 120,959.84 : x
  2. Step 2: Convert to fraction form
    247,213.29/370,830.72 = 120,959.84/x
  3. Step 3: Cross multiply
    247,213.29x = 370,830.72 × 120,959.84
  4. Step 4: Simplify right side
    247,213.29x = 44,855,625,485.36
  5. Step 5: Solve for x
    x = 44,855,625,485.36/247,213.29
  6. Step 6: Final answer
    x = 181,445.04

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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.