Home / 711,154.86-1,066,650.15-178,635.33

Finding the Fourth Proportional to 711,154.86, 1,066,650.15 and 178,635.33

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Solution

The fourth proportional to 711,154.86, 1,066,650.15 and 178,635.33 is: 267,932.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,154.86 : 1,066,650.15 = 178,635.33 : x
  2. Step 2: Convert to fraction form
    711,154.86/1,066,650.15 = 178,635.33/x
  3. Step 3: Cross multiply
    711,154.86x = 1,066,650.15 × 178,635.33
  4. Step 4: Simplify right side
    711,154.86x = 190,541,401,539.80
  5. Step 5: Solve for x
    x = 190,541,401,539.80/711,154.86
  6. Step 6: Final answer
    x = 267,932.36

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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.