Home / 331,206.66-494,262.80-329,312.16

Finding the Fourth Proportional to 331,206.66, 494,262.80 and 329,312.16

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Solution

The fourth proportional to 331,206.66, 494,262.80 and 329,312.16 is: 491,435.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,206.66 : 494,262.80 = 329,312.16 : x
  2. Step 2: Convert to fraction form
    331,206.66/494,262.80 = 329,312.16/x
  3. Step 3: Cross multiply
    331,206.66x = 494,262.80 × 329,312.16
  4. Step 4: Simplify right side
    331,206.66x = 162,766,748,629.09
  5. Step 5: Solve for x
    x = 162,766,748,629.09/331,206.66
  6. Step 6: Final answer
    x = 491,435.61

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.