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Finding the Fourth Proportional to 474,620.64, 711,912.48 and 174,971.58

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Solution

The fourth proportional to 474,620.64, 711,912.48 and 174,971.58 is: 262,450.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,620.64 : 711,912.48 = 174,971.58 : x
  2. Step 2: Convert to fraction form
    474,620.64/711,912.48 = 174,971.58/x
  3. Step 3: Cross multiply
    474,620.64x = 711,912.48 × 174,971.58
  4. Step 4: Simplify right side
    474,620.64x = 124,564,451,447.32
  5. Step 5: Solve for x
    x = 124,564,451,447.32/474,620.64
  6. Step 6: Final answer
    x = 262,450.56

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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.