Home / 853,284.36-1,280,000.04-222,199.32

Finding the Fourth Proportional to 853,284.36, 1,280,000.04 and 222,199.32

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Solution

The fourth proportional to 853,284.36, 1,280,000.04 and 222,199.32 is: 333,318.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,284.36 : 1,280,000.04 = 222,199.32 : x
  2. Step 2: Convert to fraction form
    853,284.36/1,280,000.04 = 222,199.32/x
  3. Step 3: Cross multiply
    853,284.36x = 1,280,000.04 × 222,199.32
  4. Step 4: Simplify right side
    853,284.36x = 284,415,138,487.97
  5. Step 5: Solve for x
    x = 284,415,138,487.97/853,284.36
  6. Step 6: Final answer
    x = 333,318.12

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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.