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Finding the Fourth Proportional to 446,905.60, 670,617.60 and 166,451.20

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Solution

The fourth proportional to 446,905.60, 670,617.60 and 166,451.20 is: 249,773.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,905.60 : 670,617.60 = 166,451.20 : x
  2. Step 2: Convert to fraction form
    446,905.60/670,617.60 = 166,451.20/x
  3. Step 3: Cross multiply
    446,905.60x = 670,617.60 × 166,451.20
  4. Step 4: Simplify right side
    446,905.60x = 111,625,104,261.12
  5. Step 5: Solve for x
    x = 111,625,104,261.12/446,905.60
  6. Step 6: Final answer
    x = 249,773.34

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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.