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Finding the Fourth Proportional to 303,849.45, 455,774.18 and 301,881.15

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Solution

The fourth proportional to 303,849.45, 455,774.18 and 301,881.15 is: 452,821.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,849.45 : 455,774.18 = 301,881.15 : x
  2. Step 2: Convert to fraction form
    303,849.45/455,774.18 = 301,881.15/x
  3. Step 3: Cross multiply
    303,849.45x = 455,774.18 × 301,881.15
  4. Step 4: Simplify right side
    303,849.45x = 137,589,632,089.30
  5. Step 5: Solve for x
    x = 137,589,632,089.30/303,849.45
  6. Step 6: Final answer
    x = 452,821.73

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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.