Home / 330,120.49-494,373.13-298,171.35

Finding the Fourth Proportional to 330,120.49, 494,373.13 and 298,171.35

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Solution

The fourth proportional to 330,120.49, 494,373.13 and 298,171.35 is: 446,527.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,120.49 : 494,373.13 = 298,171.35 : x
  2. Step 2: Convert to fraction form
    330,120.49/494,373.13 = 298,171.35/x
  3. Step 3: Cross multiply
    330,120.49x = 494,373.13 × 298,171.35
  4. Step 4: Simplify right side
    330,120.49x = 147,407,903,575.83
  5. Step 5: Solve for x
    x = 147,407,903,575.83/330,120.49
  6. Step 6: Final answer
    x = 446,527.58

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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.