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Finding the Fourth Proportional to 342,809.33, 514,410.90 and 267,718.69

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Solution

The fourth proportional to 342,809.33, 514,410.90 and 267,718.69 is: 401,731.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,809.33 : 514,410.90 = 267,718.69 : x
  2. Step 2: Convert to fraction form
    342,809.33/514,410.90 = 267,718.69/x
  3. Step 3: Cross multiply
    342,809.33x = 514,410.90 × 267,718.69
  4. Step 4: Simplify right side
    342,809.33x = 137,717,409,028.37
  5. Step 5: Solve for x
    x = 137,717,409,028.37/342,809.33
  6. Step 6: Final answer
    x = 401,731.80

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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.