Finding the Fourth Proportional to 275,382.80, 413,117.24 and 117,612.08
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Solution
The fourth proportional to 275,382.80, 413,117.24 and 117,612.08 is: 176,436.50
Step by Step Solution
- Step 1: Write the proportion equation
275,382.80 : 413,117.24 = 117,612.08 : x - Step 2: Convert to fraction form
275,382.80/413,117.24 = 117,612.08/x - Step 3: Cross multiply
275,382.80x = 413,117.24 × 117,612.08 - Step 4: Simplify right side
275,382.80x = 48,587,577,880.26 - Step 5: Solve for x
x = 48,587,577,880.26/275,382.80 - Step 6: Final answer
x = 176,436.50
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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.