Home / 853,291.36-1,280,010.54-222,206.32

Finding the Fourth Proportional to 853,291.36, 1,280,010.54 and 222,206.32

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Solution

The fourth proportional to 853,291.36, 1,280,010.54 and 222,206.32 is: 333,328.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,291.36 : 1,280,010.54 = 222,206.32 : x
  2. Step 2: Convert to fraction form
    853,291.36/1,280,010.54 = 222,206.32/x
  3. Step 3: Cross multiply
    853,291.36x = 1,280,010.54 × 222,206.32
  4. Step 4: Simplify right side
    853,291.36x = 284,426,431,654.61
  5. Step 5: Solve for x
    x = 284,426,431,654.61/853,291.36
  6. Step 6: Final answer
    x = 333,328.62

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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.