Home / 276,105.36-380,085.12-204,350.16

Finding the Fourth Proportional to 276,105.36, 380,085.12 and 204,350.16

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Solution

The fourth proportional to 276,105.36, 380,085.12 and 204,350.16 is: 281,307.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,105.36 : 380,085.12 = 204,350.16 : x
  2. Step 2: Convert to fraction form
    276,105.36/380,085.12 = 204,350.16/x
  3. Step 3: Cross multiply
    276,105.36x = 380,085.12 × 204,350.16
  4. Step 4: Simplify right side
    276,105.36x = 77,670,455,085.62
  5. Step 5: Solve for x
    x = 77,670,455,085.62/276,105.36
  6. Step 6: Final answer
    x = 281,307.31

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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.