Home / 329,867.70-494,145.45-306,248.10

Finding the Fourth Proportional to 329,867.70, 494,145.45 and 306,248.10

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Solution

The fourth proportional to 329,867.70, 494,145.45 and 306,248.10 is: 458,763.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,867.70 : 494,145.45 = 306,248.10 : x
  2. Step 2: Convert to fraction form
    329,867.70/494,145.45 = 306,248.10/x
  3. Step 3: Cross multiply
    329,867.70x = 494,145.45 × 306,248.10
  4. Step 4: Simplify right side
    329,867.70x = 151,331,105,186.15
  5. Step 5: Solve for x
    x = 151,331,105,186.15/329,867.70
  6. Step 6: Final answer
    x = 458,763.03

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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.