Home / 711,157.86-1,066,654.65-178,638.33

Finding the Fourth Proportional to 711,157.86, 1,066,654.65 and 178,638.33

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Solution

The fourth proportional to 711,157.86, 1,066,654.65 and 178,638.33 is: 267,936.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,157.86 : 1,066,654.65 = 178,638.33 : x
  2. Step 2: Convert to fraction form
    711,157.86/1,066,654.65 = 178,638.33/x
  3. Step 3: Cross multiply
    711,157.86x = 1,066,654.65 × 178,638.33
  4. Step 4: Simplify right side
    711,157.86x = 190,545,405,362.73
  5. Step 5: Solve for x
    x = 190,545,405,362.73/711,157.86
  6. Step 6: Final answer
    x = 267,936.86

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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.