Home / 421,813.03-582,102.03-230,826.43

Finding the Fourth Proportional to 421,813.03, 582,102.03 and 230,826.43

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Solution

The fourth proportional to 421,813.03, 582,102.03 and 230,826.43 is: 318,540.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,813.03 : 582,102.03 = 230,826.43 : x
  2. Step 2: Convert to fraction form
    421,813.03/582,102.03 = 230,826.43/x
  3. Step 3: Cross multiply
    421,813.03x = 582,102.03 × 230,826.43
  4. Step 4: Simplify right side
    421,813.03x = 134,364,533,480.65
  5. Step 5: Solve for x
    x = 134,364,533,480.65/421,813.03
  6. Step 6: Final answer
    x = 318,540.50

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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.