Home / 711,153.85-1,066,648.66-178,634.34

Finding the Fourth Proportional to 711,153.85, 1,066,648.66 and 178,634.34

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Solution

The fourth proportional to 711,153.85, 1,066,648.66 and 178,634.34 is: 267,930.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,153.85 : 1,066,648.66 = 178,634.34 : x
  2. Step 2: Convert to fraction form
    711,153.85/1,066,648.66 = 178,634.34/x
  3. Step 3: Cross multiply
    711,153.85x = 1,066,648.66 × 178,634.34
  4. Step 4: Simplify right side
    711,153.85x = 190,540,079,390.98
  5. Step 5: Solve for x
    x = 190,540,079,390.98/711,153.85
  6. Step 6: Final answer
    x = 267,930.88

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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.