Home / 421,962.96-582,315.30-230,994.12

Finding the Fourth Proportional to 421,962.96, 582,315.30 and 230,994.12

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Solution

The fourth proportional to 421,962.96, 582,315.30 and 230,994.12 is: 318,775.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,962.96 : 582,315.30 = 230,994.12 : x
  2. Step 2: Convert to fraction form
    421,962.96/582,315.30 = 230,994.12/x
  3. Step 3: Cross multiply
    421,962.96x = 582,315.30 × 230,994.12
  4. Step 4: Simplify right side
    421,962.96x = 134,511,410,286.04
  5. Step 5: Solve for x
    x = 134,511,410,286.04/421,962.96
  6. Step 6: Final answer
    x = 318,775.40

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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.