Home / 499,670.20-689,539.26-273,313

Finding the Fourth Proportional to 499,670.20, 689,539.26 and 273,313

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Solution

The fourth proportional to 499,670.20, 689,539.26 and 273,313 is: 377,168.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,670.20 : 689,539.26 = 273,313 : x
  2. Step 2: Convert to fraction form
    499,670.20/689,539.26 = 273,313/x
  3. Step 3: Cross multiply
    499,670.20x = 689,539.26 × 273,313
  4. Step 4: Simplify right side
    499,670.20x = 188,460,043,768.38
  5. Step 5: Solve for x
    x = 188,460,043,768.38/499,670.20
  6. Step 6: Final answer
    x = 377,168.87

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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.