Home / 422,075.85-582,468.08-231,090.81

Finding the Fourth Proportional to 422,075.85, 582,468.08 and 231,090.81

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Solution

The fourth proportional to 422,075.85, 582,468.08 and 231,090.81 is: 318,907.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,075.85 : 582,468.08 = 231,090.81 : x
  2. Step 2: Convert to fraction form
    422,075.85/582,468.08 = 231,090.81/x
  3. Step 3: Cross multiply
    422,075.85x = 582,468.08 × 231,090.81
  4. Step 4: Simplify right side
    422,075.85x = 134,603,019,250.89
  5. Step 5: Solve for x
    x = 134,603,019,250.89/422,075.85
  6. Step 6: Final answer
    x = 318,907.18

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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.