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Finding the Fourth Proportional to 301,331.76, 449,335.34 and 298,627.17

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Solution

The fourth proportional to 301,331.76, 449,335.34 and 298,627.17 is: 445,302.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,331.76 : 449,335.34 = 298,627.17 : x
  2. Step 2: Convert to fraction form
    301,331.76/449,335.34 = 298,627.17/x
  3. Step 3: Cross multiply
    301,331.76x = 449,335.34 × 298,627.17
  4. Step 4: Simplify right side
    301,331.76x = 134,183,739,472.05
  5. Step 5: Solve for x
    x = 134,183,739,472.05/301,331.76
  6. Step 6: Final answer
    x = 445,302.35

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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.