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Finding the Fourth Proportional to 160,674.71, 241,039.40 and 55,469.07

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Solution

The fourth proportional to 160,674.71, 241,039.40 and 55,469.07 is: 83,213.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,674.71 : 241,039.40 = 55,469.07 : x
  2. Step 2: Convert to fraction form
    160,674.71/241,039.40 = 55,469.07/x
  3. Step 3: Cross multiply
    160,674.71x = 241,039.40 × 55,469.07
  4. Step 4: Simplify right side
    160,674.71x = 13,370,231,074.01
  5. Step 5: Solve for x
    x = 13,370,231,074.01/160,674.71
  6. Step 6: Final answer
    x = 83,213.04

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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.