Home / 239,842.28-331,010.34-199,484.84

Finding the Fourth Proportional to 239,842.28, 331,010.34 and 199,484.84

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Solution

The fourth proportional to 239,842.28, 331,010.34 and 199,484.84 is: 275,312.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,842.28 : 331,010.34 = 199,484.84 : x
  2. Step 2: Convert to fraction form
    239,842.28/331,010.34 = 199,484.84/x
  3. Step 3: Cross multiply
    239,842.28x = 331,010.34 × 199,484.84
  4. Step 4: Simplify right side
    239,842.28x = 66,031,544,713.25
  5. Step 5: Solve for x
    x = 66,031,544,713.25/239,842.28
  6. Step 6: Final answer
    x = 275,312.36

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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.