Home / 451,788.87-623,363.97-270,431.85

Finding the Fourth Proportional to 451,788.87, 623,363.97 and 270,431.85

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Solution

The fourth proportional to 451,788.87, 623,363.97 and 270,431.85 is: 373,133.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,788.87 : 623,363.97 = 270,431.85 : x
  2. Step 2: Convert to fraction form
    451,788.87/623,363.97 = 270,431.85/x
  3. Step 3: Cross multiply
    451,788.87x = 623,363.97 × 270,431.85
  4. Step 4: Simplify right side
    451,788.87x = 168,577,471,630.45
  5. Step 5: Solve for x
    x = 168,577,471,630.45/451,788.87
  6. Step 6: Final answer
    x = 373,133.30

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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.