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Finding the Fourth Proportional to 332,310.84, 498,462.54 and 225,430.02

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Solution

The fourth proportional to 332,310.84, 498,462.54 and 225,430.02 is: 338,142.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,310.84 : 498,462.54 = 225,430.02 : x
  2. Step 2: Convert to fraction form
    332,310.84/498,462.54 = 225,430.02/x
  3. Step 3: Cross multiply
    332,310.84x = 498,462.54 × 225,430.02
  4. Step 4: Simplify right side
    332,310.84x = 112,368,420,361.45
  5. Step 5: Solve for x
    x = 112,368,420,361.45/332,310.84
  6. Step 6: Final answer
    x = 338,142.51

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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.