Finding the Fourth Proportional to 207,539.80, 311,309.70 and 188,840.95
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Solution
The fourth proportional to 207,539.80, 311,309.70 and 188,840.95 is: 283,261.43
Step by Step Solution
- Step 1: Write the proportion equation
207,539.80 : 311,309.70 = 188,840.95 : x - Step 2: Convert to fraction form
207,539.80/311,309.70 = 188,840.95/x - Step 3: Cross multiply
207,539.80x = 311,309.70 × 188,840.95 - Step 4: Simplify right side
207,539.80x = 58,788,019,492.22 - Step 5: Solve for x
x = 58,788,019,492.22/207,539.80 - Step 6: Final answer
x = 283,261.43
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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.