Home / 204,190.71-306,300.66-54,430.23

Finding the Fourth Proportional to 204,190.71, 306,300.66 and 54,430.23

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Solution

The fourth proportional to 204,190.71, 306,300.66 and 54,430.23 is: 81,649.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,190.71 : 306,300.66 = 54,430.23 : x
  2. Step 2: Convert to fraction form
    204,190.71/306,300.66 = 54,430.23/x
  3. Step 3: Cross multiply
    204,190.71x = 306,300.66 × 54,430.23
  4. Step 4: Simplify right side
    204,190.71x = 16,672,015,372.95
  5. Step 5: Solve for x
    x = 16,672,015,372.95/204,190.71
  6. Step 6: Final answer
    x = 81,649.24

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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.