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Finding the Fourth Proportional to 853,773.84, 1,280,683.80 and 222,673.68

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Solution

The fourth proportional to 853,773.84, 1,280,683.80 and 222,673.68 is: 334,016.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,773.84 : 1,280,683.80 = 222,673.68 : x
  2. Step 2: Convert to fraction form
    853,773.84/1,280,683.80 = 222,673.68/x
  3. Step 3: Cross multiply
    853,773.84x = 1,280,683.80 × 222,673.68
  4. Step 4: Simplify right side
    853,773.84x = 285,174,574,662.38
  5. Step 5: Solve for x
    x = 285,174,574,662.38/853,773.84
  6. Step 6: Final answer
    x = 334,016.53

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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.