Home / 353,623.89-488,068.23-200,676.33

Finding the Fourth Proportional to 353,623.89, 488,068.23 and 200,676.33

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Solution

The fourth proportional to 353,623.89, 488,068.23 and 200,676.33 is: 276,971.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,623.89 : 488,068.23 = 200,676.33 : x
  2. Step 2: Convert to fraction form
    353,623.89/488,068.23 = 200,676.33/x
  3. Step 3: Cross multiply
    353,623.89x = 488,068.23 × 200,676.33
  4. Step 4: Simplify right side
    353,623.89x = 97,943,741,595.36
  5. Step 5: Solve for x
    x = 97,943,741,595.36/353,623.89
  6. Step 6: Final answer
    x = 276,971.51

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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.