Home / 222,775.38-307,401.61-127,288.26

Finding the Fourth Proportional to 222,775.38, 307,401.61 and 127,288.26

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Solution

The fourth proportional to 222,775.38, 307,401.61 and 127,288.26 is: 175,641.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,775.38 : 307,401.61 = 127,288.26 : x
  2. Step 2: Convert to fraction form
    222,775.38/307,401.61 = 127,288.26/x
  3. Step 3: Cross multiply
    222,775.38x = 307,401.61 × 127,288.26
  4. Step 4: Simplify right side
    222,775.38x = 39,128,616,058.10
  5. Step 5: Solve for x
    x = 39,128,616,058.10/222,775.38
  6. Step 6: Final answer
    x = 175,641.56

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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.