Finding the Fourth Proportional to 225,946.49, 338,928.55 and 68,174.96
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Solution
The fourth proportional to 225,946.49, 338,928.55 and 68,174.96 is: 102,265.09
Step by Step Solution
- Step 1: Write the proportion equation
225,946.49 : 338,928.55 = 68,174.96 : x - Step 2: Convert to fraction form
225,946.49/338,928.55 = 68,174.96/x - Step 3: Cross multiply
225,946.49x = 338,928.55 × 68,174.96 - Step 4: Simplify right side
225,946.49x = 23,106,438,474.03 - Step 5: Solve for x
x = 23,106,438,474.03/225,946.49 - Step 6: Final answer
x = 102,265.09
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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.