Home / 230,091.84-345,038.94-80,287.20

Finding the Fourth Proportional to 230,091.84, 345,038.94 and 80,287.20

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Solution

The fourth proportional to 230,091.84, 345,038.94 and 80,287.20 is: 120,396.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,091.84 : 345,038.94 = 80,287.20 : x
  2. Step 2: Convert to fraction form
    230,091.84/345,038.94 = 80,287.20/x
  3. Step 3: Cross multiply
    230,091.84x = 345,038.94 × 80,287.20
  4. Step 4: Simplify right side
    230,091.84x = 27,702,210,383.57
  5. Step 5: Solve for x
    x = 27,702,210,383.57/230,091.84
  6. Step 6: Final answer
    x = 120,396.32

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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.