Finding the Fourth Proportional to 355,817.09, 491,187.91 and 226,928.52
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Solution
The fourth proportional to 355,817.09, 491,187.91 and 226,928.52 is: 313,263.61
Step by Step Solution
- Step 1: Write the proportion equation
355,817.09 : 491,187.91 = 226,928.52 : x - Step 2: Convert to fraction form
355,817.09/491,187.91 = 226,928.52/x - Step 3: Cross multiply
355,817.09x = 491,187.91 × 226,928.52 - Step 4: Simplify right side
355,817.09x = 111,464,545,458.19 - Step 5: Solve for x
x = 111,464,545,458.19/355,817.09 - Step 6: Final answer
x = 313,263.61
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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.