Home / 407,942.60-562,881.30-238,183.88

Finding the Fourth Proportional to 407,942.60, 562,881.30 and 238,183.88

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Solution

The fourth proportional to 407,942.60, 562,881.30 and 238,183.88 is: 328,647.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,942.60 : 562,881.30 = 238,183.88 : x
  2. Step 2: Convert to fraction form
    407,942.60/562,881.30 = 238,183.88/x
  3. Step 3: Cross multiply
    407,942.60x = 562,881.30 × 238,183.88
  4. Step 4: Simplify right side
    407,942.60x = 134,069,252,013.44
  5. Step 5: Solve for x
    x = 134,069,252,013.44/407,942.60
  6. Step 6: Final answer
    x = 328,647.34

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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.