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Finding the Fourth Proportional to 469,709.50, 648,180.21 and 254,841.34

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Solution

The fourth proportional to 469,709.50, 648,180.21 and 254,841.34 is: 351,670.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,709.50 : 648,180.21 = 254,841.34 : x
  2. Step 2: Convert to fraction form
    469,709.50/648,180.21 = 254,841.34/x
  3. Step 3: Cross multiply
    469,709.50x = 648,180.21 × 254,841.34
  4. Step 4: Simplify right side
    469,709.50x = 165,183,113,277.88
  5. Step 5: Solve for x
    x = 165,183,113,277.88/469,709.50
  6. Step 6: Final answer
    x = 351,670.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.