Home / 265,185.21-365,031.32-231,134.53

Finding the Fourth Proportional to 265,185.21, 365,031.32 and 231,134.53

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Solution

The fourth proportional to 265,185.21, 365,031.32 and 231,134.53 is: 318,160.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,185.21 : 365,031.32 = 231,134.53 : x
  2. Step 2: Convert to fraction form
    265,185.21/365,031.32 = 231,134.53/x
  3. Step 3: Cross multiply
    265,185.21x = 365,031.32 × 231,134.53
  4. Step 4: Simplify right side
    265,185.21x = 84,371,342,583.48
  5. Step 5: Solve for x
    x = 84,371,342,583.48/265,185.21
  6. Step 6: Final answer
    x = 318,160.06

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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.