Home / 342,003.23-471,899.48-214,621.41

Finding the Fourth Proportional to 342,003.23, 471,899.48 and 214,621.41

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Solution

The fourth proportional to 342,003.23, 471,899.48 and 214,621.41 is: 296,136.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,003.23 : 471,899.48 = 214,621.41 : x
  2. Step 2: Convert to fraction form
    342,003.23/471,899.48 = 214,621.41/x
  3. Step 3: Cross multiply
    342,003.23x = 471,899.48 × 214,621.41
  4. Step 4: Simplify right side
    342,003.23x = 101,279,731,775.87
  5. Step 5: Solve for x
    x = 101,279,731,775.87/342,003.23
  6. Step 6: Final answer
    x = 296,136.77

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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.