Home / 260,451.72-390,736.44-82,968.84

Finding the Fourth Proportional to 260,451.72, 390,736.44 and 82,968.84

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Solution

The fourth proportional to 260,451.72, 390,736.44 and 82,968.84 is: 124,472.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,451.72 : 390,736.44 = 82,968.84 : x
  2. Step 2: Convert to fraction form
    260,451.72/390,736.44 = 82,968.84/x
  3. Step 3: Cross multiply
    260,451.72x = 390,736.44 × 82,968.84
  4. Step 4: Simplify right side
    260,451.72x = 32,418,949,172.53
  5. Step 5: Solve for x
    x = 32,418,949,172.53/260,451.72
  6. Step 6: Final answer
    x = 124,472.01

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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.