Finding the Fourth Proportional to 136,331.80, 204,497.70 and 53,225.80
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Solution
The fourth proportional to 136,331.80, 204,497.70 and 53,225.80 is: 79,838.70
Step by Step Solution
- Step 1: Write the proportion equation
136,331.80 : 204,497.70 = 53,225.80 : x - Step 2: Convert to fraction form
136,331.80/204,497.70 = 53,225.80/x - Step 3: Cross multiply
136,331.80x = 204,497.70 × 53,225.80 - Step 4: Simplify right side
136,331.80x = 10,884,553,680.66 - Step 5: Solve for x
x = 10,884,553,680.66/136,331.80 - Step 6: Final answer
x = 79,838.70
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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.