Home / 371,181.24-512,241.48-218,191.37

Finding the Fourth Proportional to 371,181.24, 512,241.48 and 218,191.37

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Solution

The fourth proportional to 371,181.24, 512,241.48 and 218,191.37 is: 301,110.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,181.24 : 512,241.48 = 218,191.37 : x
  2. Step 2: Convert to fraction form
    371,181.24/512,241.48 = 218,191.37/x
  3. Step 3: Cross multiply
    371,181.24x = 512,241.48 × 218,191.37
  4. Step 4: Simplify right side
    371,181.24x = 111,766,667,730.82
  5. Step 5: Solve for x
    x = 111,766,667,730.82/371,181.24
  6. Step 6: Final answer
    x = 301,110.77

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1.5x scale

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.