Home / 248,837.40-372,845.70-143,472.60

Finding the Fourth Proportional to 248,837.40, 372,845.70 and 143,472.60

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Solution

The fourth proportional to 248,837.40, 372,845.70 and 143,472.60 is: 214,972.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,837.40 : 372,845.70 = 143,472.60 : x
  2. Step 2: Convert to fraction form
    248,837.40/372,845.70 = 143,472.60/x
  3. Step 3: Cross multiply
    248,837.40x = 372,845.70 × 143,472.60
  4. Step 4: Simplify right side
    248,837.40x = 53,493,141,977.82
  5. Step 5: Solve for x
    x = 53,493,141,977.82/248,837.40
  6. Step 6: Final answer
    x = 214,972.27

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1.5x scale

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.