Home / 331,989.41-498,086.18-296,705.81

Finding the Fourth Proportional to 331,989.41, 498,086.18 and 296,705.81

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Solution

The fourth proportional to 331,989.41, 498,086.18 and 296,705.81 is: 445,149.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,989.41 : 498,086.18 = 296,705.81 : x
  2. Step 2: Convert to fraction form
    331,989.41/498,086.18 = 296,705.81/x
  3. Step 3: Cross multiply
    331,989.41x = 498,086.18 × 296,705.81
  4. Step 4: Simplify right side
    331,989.41x = 147,785,063,486.71
  5. Step 5: Solve for x
    x = 147,785,063,486.71/331,989.41
  6. Step 6: Final answer
    x = 445,149.93

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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.