Finding the Fourth Proportional to 310,850.88, 466,276.29 and 86,211.31
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Solution
The fourth proportional to 310,850.88, 466,276.29 and 86,211.31 is: 129,316.95
Step by Step Solution
- Step 1: Write the proportion equation
310,850.88 : 466,276.29 = 86,211.31 : x - Step 2: Convert to fraction form
310,850.88/466,276.29 = 86,211.31/x - Step 3: Cross multiply
310,850.88x = 466,276.29 × 86,211.31 - Step 4: Simplify right side
310,850.88x = 40,198,288,876.13 - Step 5: Solve for x
x = 40,198,288,876.13/310,850.88 - Step 6: Final answer
x = 129,316.95
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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.