Home / 222,747.87-307,364.02-127,260.72

Finding the Fourth Proportional to 222,747.87, 307,364.02 and 127,260.72

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Solution

The fourth proportional to 222,747.87, 307,364.02 and 127,260.72 is: 175,603.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,747.87 : 307,364.02 = 127,260.72 : x
  2. Step 2: Convert to fraction form
    222,747.87/307,364.02 = 127,260.72/x
  3. Step 3: Cross multiply
    222,747.87x = 307,364.02 × 127,260.72
  4. Step 4: Simplify right side
    222,747.87x = 39,115,366,169.14
  5. Step 5: Solve for x
    x = 39,115,366,169.14/222,747.87
  6. Step 6: Final answer
    x = 175,603.77

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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.