Home / 358,738.59-495,040.56-222,769.66

Finding the Fourth Proportional to 358,738.59, 495,040.56 and 222,769.66

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Solution

The fourth proportional to 358,738.59, 495,040.56 and 222,769.66 is: 307,410.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,738.59 : 495,040.56 = 222,769.66 : x
  2. Step 2: Convert to fraction form
    358,738.59/495,040.56 = 222,769.66/x
  3. Step 3: Cross multiply
    358,738.59x = 495,040.56 × 222,769.66
  4. Step 4: Simplify right side
    358,738.59x = 110,280,017,345.70
  5. Step 5: Solve for x
    x = 110,280,017,345.70/358,738.59
  6. Step 6: Final answer
    x = 307,410.52

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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.