Home / 228,276.72-342,550.44-103,615.92

Finding the Fourth Proportional to 228,276.72, 342,550.44 and 103,615.92

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Solution

The fourth proportional to 228,276.72, 342,550.44 and 103,615.92 is: 155,485.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,276.72 : 342,550.44 = 103,615.92 : x
  2. Step 2: Convert to fraction form
    228,276.72/342,550.44 = 103,615.92/x
  3. Step 3: Cross multiply
    228,276.72x = 342,550.44 × 103,615.92
  4. Step 4: Simplify right side
    228,276.72x = 35,493,678,987.00
  5. Step 5: Solve for x
    x = 35,493,678,987.00/228,276.72
  6. Step 6: Final answer
    x = 155,485.32

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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.