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Finding the Fourth Proportional to 446,752.60, 669,166.56 and 209,740.12

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Solution

The fourth proportional to 446,752.60, 669,166.56 and 209,740.12 is: 314,158.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,752.60 : 669,166.56 = 209,740.12 : x
  2. Step 2: Convert to fraction form
    446,752.60/669,166.56 = 209,740.12/x
  3. Step 3: Cross multiply
    446,752.60x = 669,166.56 × 209,740.12
  4. Step 4: Simplify right side
    446,752.60x = 140,351,074,594.39
  5. Step 5: Solve for x
    x = 140,351,074,594.39/446,752.60
  6. Step 6: Final answer
    x = 314,158.38

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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.