Home / 451,983.72-623,742.60-248,028.96

Finding the Fourth Proportional to 451,983.72, 623,742.60 and 248,028.96

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Solution

The fourth proportional to 451,983.72, 623,742.60 and 248,028.96 is: 342,282.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,983.72 : 623,742.60 = 248,028.96 : x
  2. Step 2: Convert to fraction form
    451,983.72/623,742.60 = 248,028.96/x
  3. Step 3: Cross multiply
    451,983.72x = 623,742.60 × 248,028.96
  4. Step 4: Simplify right side
    451,983.72x = 154,706,228,385.70
  5. Step 5: Solve for x
    x = 154,706,228,385.70/451,983.72
  6. Step 6: Final answer
    x = 342,282.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.