Home / 212,629.04-318,944.01-199,638.26

Finding the Fourth Proportional to 212,629.04, 318,944.01 and 199,638.26

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Solution

The fourth proportional to 212,629.04, 318,944.01 and 199,638.26 is: 299,457.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,629.04 : 318,944.01 = 199,638.26 : x
  2. Step 2: Convert to fraction form
    212,629.04/318,944.01 = 199,638.26/x
  3. Step 3: Cross multiply
    212,629.04x = 318,944.01 × 199,638.26
  4. Step 4: Simplify right side
    212,629.04x = 63,673,427,193.82
  5. Step 5: Solve for x
    x = 63,673,427,193.82/212,629.04
  6. Step 6: Final answer
    x = 299,457.81

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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.