Finding the Fourth Proportional to 117,097.26, 175,673.84 and 38,211.63
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Solution
The fourth proportional to 117,097.26, 175,673.84 and 38,211.63 is: 57,326.56
Step by Step Solution
- Step 1: Write the proportion equation
117,097.26 : 175,673.84 = 38,211.63 : x - Step 2: Convert to fraction form
117,097.26/175,673.84 = 38,211.63/x - Step 3: Cross multiply
117,097.26x = 175,673.84 × 38,211.63 - Step 4: Simplify right side
117,097.26x = 6,712,783,583.70 - Step 5: Solve for x
x = 6,712,783,583.70/117,097.26 - Step 6: Final answer
x = 57,326.56
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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.