Home / 212,480.06-318,603.38-145,936.94

Finding the Fourth Proportional to 212,480.06, 318,603.38 and 145,936.94

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Solution

The fourth proportional to 212,480.06, 318,603.38 and 145,936.94 is: 218,825.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,480.06 : 318,603.38 = 145,936.94 : x
  2. Step 2: Convert to fraction form
    212,480.06/318,603.38 = 145,936.94/x
  3. Step 3: Cross multiply
    212,480.06x = 318,603.38 × 145,936.94
  4. Step 4: Simplify right side
    212,480.06x = 46,496,002,350.86
  5. Step 5: Solve for x
    x = 46,496,002,350.86/212,480.06
  6. Step 6: Final answer
    x = 218,825.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.