Home / 222,782.38-307,455.95-127,287.03

Finding the Fourth Proportional to 222,782.38, 307,455.95 and 127,287.03

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Solution

The fourth proportional to 222,782.38, 307,455.95 and 127,287.03 is: 175,665.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,782.38 : 307,455.95 = 127,287.03 : x
  2. Step 2: Convert to fraction form
    222,782.38/307,455.95 = 127,287.03/x
  3. Step 3: Cross multiply
    222,782.38x = 307,455.95 × 127,287.03
  4. Step 4: Simplify right side
    222,782.38x = 39,135,154,731.33
  5. Step 5: Solve for x
    x = 39,135,154,731.33/222,782.38
  6. Step 6: Final answer
    x = 175,665.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.