Home / 348,327.82-480,247.42-225,603.40

Finding the Fourth Proportional to 348,327.82, 480,247.42 and 225,603.40

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Solution

The fourth proportional to 348,327.82, 480,247.42 and 225,603.40 is: 311,044.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,327.82 : 480,247.42 = 225,603.40 : x
  2. Step 2: Convert to fraction form
    348,327.82/480,247.42 = 225,603.40/x
  3. Step 3: Cross multiply
    348,327.82x = 480,247.42 × 225,603.40
  4. Step 4: Simplify right side
    348,327.82x = 108,345,450,793.23
  5. Step 5: Solve for x
    x = 108,345,450,793.23/348,327.82
  6. Step 6: Final answer
    x = 311,044.49

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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.