Finding the Fourth Proportional to 226,293.88, 312,348.40 and 129,551.93
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Solution
The fourth proportional to 226,293.88, 312,348.40 and 129,551.93 is: 178,817.65
Step by Step Solution
- Step 1: Write the proportion equation
226,293.88 : 312,348.40 = 129,551.93 : x - Step 2: Convert to fraction form
226,293.88/312,348.40 = 129,551.93/x - Step 3: Cross multiply
226,293.88x = 312,348.40 × 129,551.93 - Step 4: Simplify right side
226,293.88x = 40,465,338,945.31 - Step 5: Solve for x
x = 40,465,338,945.31/226,293.88 - Step 6: Final answer
x = 178,817.65
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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.