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Finding the Fourth Proportional to 446,248.44, 669,285.18 and 165,709.80

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Solution

The fourth proportional to 446,248.44, 669,285.18 and 165,709.80 is: 248,532.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,248.44 : 669,285.18 = 165,709.80 : x
  2. Step 2: Convert to fraction form
    446,248.44/669,285.18 = 165,709.80/x
  3. Step 3: Cross multiply
    446,248.44x = 669,285.18 × 165,709.80
  4. Step 4: Simplify right side
    446,248.44x = 110,907,113,320.76
  5. Step 5: Solve for x
    x = 110,907,113,320.76/446,248.44
  6. Step 6: Final answer
    x = 248,532.22

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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.