Finding the Fourth Proportional to 248,472.88, 342,891.12 and 135,295.36
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Solution
The fourth proportional to 248,472.88, 342,891.12 and 135,295.36 is: 186,706.80
Step by Step Solution
- Step 1: Write the proportion equation
248,472.88 : 342,891.12 = 135,295.36 : x - Step 2: Convert to fraction form
248,472.88/342,891.12 = 135,295.36/x - Step 3: Cross multiply
248,472.88x = 342,891.12 × 135,295.36 - Step 4: Simplify right side
248,472.88x = 46,391,577,521.20 - Step 5: Solve for x
x = 46,391,577,521.20/248,472.88 - Step 6: Final answer
x = 186,706.80
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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.