Home / 711,172.26-1,066,747.17-178,693.65

Finding the Fourth Proportional to 711,172.26, 1,066,747.17 and 178,693.65

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Solution

The fourth proportional to 711,172.26, 1,066,747.17 and 178,693.65 is: 268,037.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,172.26 : 1,066,747.17 = 178,693.65 : x
  2. Step 2: Convert to fraction form
    711,172.26/1,066,747.17 = 178,693.65/x
  3. Step 3: Cross multiply
    711,172.26x = 1,066,747.17 × 178,693.65
  4. Step 4: Simplify right side
    711,172.26x = 190,620,945,434.47
  5. Step 5: Solve for x
    x = 190,620,945,434.47/711,172.26
  6. Step 6: Final answer
    x = 268,037.66

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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.