Home / 204,619.40-306,962.70-64,344.20

Finding the Fourth Proportional to 204,619.40, 306,962.70 and 64,344.20

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Solution

The fourth proportional to 204,619.40, 306,962.70 and 64,344.20 is: 96,526.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,619.40 : 306,962.70 = 64,344.20 : x
  2. Step 2: Convert to fraction form
    204,619.40/306,962.70 = 64,344.20/x
  3. Step 3: Cross multiply
    204,619.40x = 306,962.70 × 64,344.20
  4. Step 4: Simplify right side
    204,619.40x = 19,751,269,361.34
  5. Step 5: Solve for x
    x = 19,751,269,361.34/204,619.40
  6. Step 6: Final answer
    x = 96,526.87

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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.