Finding the Fourth Proportional to 173,137.80, 259,706.70 and 155,641.80
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Solution
The fourth proportional to 173,137.80, 259,706.70 and 155,641.80 is: 233,462.70
Step by Step Solution
- Step 1: Write the proportion equation
173,137.80 : 259,706.70 = 155,641.80 : x - Step 2: Convert to fraction form
173,137.80/259,706.70 = 155,641.80/x - Step 3: Cross multiply
173,137.80x = 259,706.70 × 155,641.80 - Step 4: Simplify right side
173,137.80x = 40,421,218,260.06 - Step 5: Solve for x
x = 40,421,218,260.06/173,137.80 - Step 6: Final answer
x = 233,462.70
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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.