Home / 278,509.44-384,287.04-171,096.96

Finding the Fourth Proportional to 278,509.44, 384,287.04 and 171,096.96

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Solution

The fourth proportional to 278,509.44, 384,287.04 and 171,096.96 is: 236,079.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,509.44 : 384,287.04 = 171,096.96 : x
  2. Step 2: Convert to fraction form
    278,509.44/384,287.04 = 171,096.96/x
  3. Step 3: Cross multiply
    278,509.44x = 384,287.04 × 171,096.96
  4. Step 4: Simplify right side
    278,509.44x = 65,750,344,311.40
  5. Step 5: Solve for x
    x = 65,750,344,311.40/278,509.44
  6. Step 6: Final answer
    x = 236,079.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.