Home / 371,508.03-512,676.27-210,362.58

Finding the Fourth Proportional to 371,508.03, 512,676.27 and 210,362.58

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Solution

The fourth proportional to 371,508.03, 512,676.27 and 210,362.58 is: 290,297.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,508.03 : 512,676.27 = 210,362.58 : x
  2. Step 2: Convert to fraction form
    371,508.03/512,676.27 = 210,362.58/x
  3. Step 3: Cross multiply
    371,508.03x = 512,676.27 × 210,362.58
  4. Step 4: Simplify right side
    371,508.03x = 107,847,902,861.98
  5. Step 5: Solve for x
    x = 107,847,902,861.98/371,508.03
  6. Step 6: Final answer
    x = 290,297.64

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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.