Home / 295,828.21-443,361.07-257,723.38

Finding the Fourth Proportional to 295,828.21, 443,361.07 and 257,723.38

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Solution

The fourth proportional to 295,828.21, 443,361.07 and 257,723.38 is: 386,252.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,828.21 : 443,361.07 = 257,723.38 : x
  2. Step 2: Convert to fraction form
    295,828.21/443,361.07 = 257,723.38/x
  3. Step 3: Cross multiply
    295,828.21x = 443,361.07 × 257,723.38
  4. Step 4: Simplify right side
    295,828.21x = 114,264,513,520.82
  5. Step 5: Solve for x
    x = 114,264,513,520.82/295,828.21
  6. Step 6: Final answer
    x = 386,252.93

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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.