Home / 353,916.56-531,093-143,556.32

Finding the Fourth Proportional to 353,916.56, 531,093 and 143,556.32

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Solution

The fourth proportional to 353,916.56, 531,093 and 143,556.32 is: 215,422.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,916.56 : 531,093 = 143,556.32 : x
  2. Step 2: Convert to fraction form
    353,916.56/531,093 = 143,556.32/x
  3. Step 3: Cross multiply
    353,916.56x = 531,093 × 143,556.32
  4. Step 4: Simplify right side
    353,916.56x = 76,241,756,657.76
  5. Step 5: Solve for x
    x = 76,241,756,657.76/353,916.56
  6. Step 6: Final answer
    x = 215,422.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.