Home / 499,974.20-689,955.18-273,615.16

Finding the Fourth Proportional to 499,974.20, 689,955.18 and 273,615.16

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Solution

The fourth proportional to 499,974.20, 689,955.18 and 273,615.16 is: 377,583.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,974.20 : 689,955.18 = 273,615.16 : x
  2. Step 2: Convert to fraction form
    499,974.20/689,955.18 = 273,615.16/x
  3. Step 3: Cross multiply
    499,974.20x = 689,955.18 × 273,615.16
  4. Step 4: Simplify right side
    499,974.20x = 188,782,196,968.53
  5. Step 5: Solve for x
    x = 188,782,196,968.53/499,974.20
  6. Step 6: Final answer
    x = 377,583.88

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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.