Finding the Fourth Proportional to 203,351.60, 305,075.70 and 70,232.96
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Solution
The fourth proportional to 203,351.60, 305,075.70 and 70,232.96 is: 105,366.12
Step by Step Solution
- Step 1: Write the proportion equation
203,351.60 : 305,075.70 = 70,232.96 : x - Step 2: Convert to fraction form
203,351.60/305,075.70 = 70,232.96/x - Step 3: Cross multiply
203,351.60x = 305,075.70 × 70,232.96 - Step 4: Simplify right side
203,351.60x = 21,426,369,435.07 - Step 5: Solve for x
x = 21,426,369,435.07/203,351.60 - Step 6: Final answer
x = 105,366.12
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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.