Home / 325,603.32-449,085.49-285,247.02

Finding the Fourth Proportional to 325,603.32, 449,085.49 and 285,247.02

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Solution

The fourth proportional to 325,603.32, 449,085.49 and 285,247.02 is: 393,424.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,603.32 : 449,085.49 = 285,247.02 : x
  2. Step 2: Convert to fraction form
    325,603.32/449,085.49 = 285,247.02/x
  3. Step 3: Cross multiply
    325,603.32x = 449,085.49 × 285,247.02
  4. Step 4: Simplify right side
    325,603.32x = 128,100,296,994.84
  5. Step 5: Solve for x
    x = 128,100,296,994.84/325,603.32
  6. Step 6: Final answer
    x = 393,424.42

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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.