Home / 239,841.28-331,008.96-199,483.84

Finding the Fourth Proportional to 239,841.28, 331,008.96 and 199,483.84

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Solution

The fourth proportional to 239,841.28, 331,008.96 and 199,483.84 is: 275,310.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,841.28 : 331,008.96 = 199,483.84 : x
  2. Step 2: Convert to fraction form
    239,841.28/331,008.96 = 199,483.84/x
  3. Step 3: Cross multiply
    239,841.28x = 331,008.96 × 199,483.84
  4. Step 4: Simplify right side
    239,841.28x = 66,030,938,415.21
  5. Step 5: Solve for x
    x = 66,030,938,415.21/239,841.28
  6. Step 6: Final answer
    x = 275,310.98

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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.