Home / 421,802.44-582,087.41-230,815.86

Finding the Fourth Proportional to 421,802.44, 582,087.41 and 230,815.86

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Solution

The fourth proportional to 421,802.44, 582,087.41 and 230,815.86 is: 318,525.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,802.44 : 582,087.41 = 230,815.86 : x
  2. Step 2: Convert to fraction form
    421,802.44/582,087.41 = 230,815.86/x
  3. Step 3: Cross multiply
    421,802.44x = 582,087.41 × 230,815.86
  4. Step 4: Simplify right side
    421,802.44x = 134,355,006,134.32
  5. Step 5: Solve for x
    x = 134,355,006,134.32/421,802.44
  6. Step 6: Final answer
    x = 318,525.91

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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.