Home / 239,905.96-330,739.14-171,978.28

Finding the Fourth Proportional to 239,905.96, 330,739.14 and 171,978.28

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Solution

The fourth proportional to 239,905.96, 330,739.14 and 171,978.28 is: 237,092.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,905.96 : 330,739.14 = 171,978.28 : x
  2. Step 2: Convert to fraction form
    239,905.96/330,739.14 = 171,978.28/x
  3. Step 3: Cross multiply
    239,905.96x = 330,739.14 × 171,978.28
  4. Step 4: Simplify right side
    239,905.96x = 56,879,948,425.88
  5. Step 5: Solve for x
    x = 56,879,948,425.88/239,905.96
  6. Step 6: Final answer
    x = 237,092.69

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1.5x scale

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.