Home / 331,021.26-456,818.22-187,802.82

Finding the Fourth Proportional to 331,021.26, 456,818.22 and 187,802.82

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Solution

The fourth proportional to 331,021.26, 456,818.22 and 187,802.82 is: 259,172.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,021.26 : 456,818.22 = 187,802.82 : x
  2. Step 2: Convert to fraction form
    331,021.26/456,818.22 = 187,802.82/x
  3. Step 3: Cross multiply
    331,021.26x = 456,818.22 × 187,802.82
  4. Step 4: Simplify right side
    331,021.26x = 85,791,749,943.38
  5. Step 5: Solve for x
    x = 85,791,749,943.38/331,021.26
  6. Step 6: Final answer
    x = 259,172.93

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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.