Finding the Fourth Proportional to 207,331.40, 310,766.70 and 88,982.60
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Solution
The fourth proportional to 207,331.40, 310,766.70 and 88,982.60 is: 133,375.02
Step by Step Solution
- Step 1: Write the proportion equation
207,331.40 : 310,766.70 = 88,982.60 : x - Step 2: Convert to fraction form
207,331.40/310,766.70 = 88,982.60/x - Step 3: Cross multiply
207,331.40x = 310,766.70 × 88,982.60 - Step 4: Simplify right side
207,331.40x = 27,652,828,959.42 - Step 5: Solve for x
x = 27,652,828,959.42/207,331.40 - Step 6: Final answer
x = 133,375.02
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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.