Home / 454,965.40-682,383.30-155,459.80

Finding the Fourth Proportional to 454,965.40, 682,383.30 and 155,459.80

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Solution

The fourth proportional to 454,965.40, 682,383.30 and 155,459.80 is: 233,167.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,965.40 : 682,383.30 = 155,459.80 : x
  2. Step 2: Convert to fraction form
    454,965.40/682,383.30 = 155,459.80/x
  3. Step 3: Cross multiply
    454,965.40x = 682,383.30 × 155,459.80
  4. Step 4: Simplify right side
    454,965.40x = 106,083,171,341.34
  5. Step 5: Solve for x
    x = 106,083,171,341.34/454,965.40
  6. Step 6: Final answer
    x = 233,167.56

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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.