Home / 204,746.20-307,119.30-188,999.80

Finding the Fourth Proportional to 204,746.20, 307,119.30 and 188,999.80

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Solution

The fourth proportional to 204,746.20, 307,119.30 and 188,999.80 is: 283,499.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,746.20 : 307,119.30 = 188,999.80 : x
  2. Step 2: Convert to fraction form
    204,746.20/307,119.30 = 188,999.80/x
  3. Step 3: Cross multiply
    204,746.20x = 307,119.30 × 188,999.80
  4. Step 4: Simplify right side
    204,746.20x = 58,045,486,276.14
  5. Step 5: Solve for x
    x = 58,045,486,276.14/204,746.20
  6. Step 6: Final answer
    x = 283,499.70

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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.