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Finding the Fourth Proportional to 380,696.86, 525,361.65 and 227,741.47

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Solution

The fourth proportional to 380,696.86, 525,361.65 and 227,741.47 is: 314,283.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,696.86 : 525,361.65 = 227,741.47 : x
  2. Step 2: Convert to fraction form
    380,696.86/525,361.65 = 227,741.47/x
  3. Step 3: Cross multiply
    380,696.86x = 525,361.65 × 227,741.47
  4. Step 4: Simplify right side
    380,696.86x = 119,646,635,240.35
  5. Step 5: Solve for x
    x = 119,646,635,240.35/380,696.86
  6. Step 6: Final answer
    x = 314,283.22

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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.