Home / 272,824.20-409,236.30-188,843.40

Finding the Fourth Proportional to 272,824.20, 409,236.30 and 188,843.40

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Solution

The fourth proportional to 272,824.20, 409,236.30 and 188,843.40 is: 283,265.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,824.20 : 409,236.30 = 188,843.40 : x
  2. Step 2: Convert to fraction form
    272,824.20/409,236.30 = 188,843.40/x
  3. Step 3: Cross multiply
    272,824.20x = 409,236.30 × 188,843.40
  4. Step 4: Simplify right side
    272,824.20x = 77,281,574,295.42
  5. Step 5: Solve for x
    x = 77,281,574,295.42/272,824.20
  6. Step 6: Final answer
    x = 283,265.10

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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.