Home / 348,739.31-522,621.76-188,469.72

Finding the Fourth Proportional to 348,739.31, 522,621.76 and 188,469.72

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Solution

The fourth proportional to 348,739.31, 522,621.76 and 188,469.72 is: 282,441.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,739.31 : 522,621.76 = 188,469.72 : x
  2. Step 2: Convert to fraction form
    348,739.31/522,621.76 = 188,469.72/x
  3. Step 3: Cross multiply
    348,739.31x = 522,621.76 × 188,469.72
  4. Step 4: Simplify right side
    348,739.31x = 98,498,376,301.93
  5. Step 5: Solve for x
    x = 98,498,376,301.93/348,739.31
  6. Step 6: Final answer
    x = 282,441.28

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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.