Finding the Fourth Proportional to 248,484.24, 342,912.24 and 135,306.96
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Solution
The fourth proportional to 248,484.24, 342,912.24 and 135,306.96 is: 186,725.78
Step by Step Solution
- Step 1: Write the proportion equation
248,484.24 : 342,912.24 = 135,306.96 : x - Step 2: Convert to fraction form
248,484.24/342,912.24 = 135,306.96/x - Step 3: Cross multiply
248,484.24x = 342,912.24 × 135,306.96 - Step 4: Simplify right side
248,484.24x = 46,398,412,741.19 - Step 5: Solve for x
x = 46,398,412,741.19/248,484.24 - Step 6: Final answer
x = 186,725.78
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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.