Home / 348,739.06-522,621.38-188,469.47

Finding the Fourth Proportional to 348,739.06, 522,621.38 and 188,469.47

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Solution

The fourth proportional to 348,739.06, 522,621.38 and 188,469.47 is: 282,440.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,739.06 : 522,621.38 = 188,469.47 : x
  2. Step 2: Convert to fraction form
    348,739.06/522,621.38 = 188,469.47/x
  3. Step 3: Cross multiply
    348,739.06x = 522,621.38 × 188,469.47
  4. Step 4: Simplify right side
    348,739.06x = 98,498,174,499.27
  5. Step 5: Solve for x
    x = 98,498,174,499.27/348,739.06
  6. Step 6: Final answer
    x = 282,440.91

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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.