Finding the Fourth Proportional to 205,052.70, 307,579.05 and 185,369.70
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Solution
The fourth proportional to 205,052.70, 307,579.05 and 185,369.70 is: 278,054.55
Step by Step Solution
- Step 1: Write the proportion equation
205,052.70 : 307,579.05 = 185,369.70 : x - Step 2: Convert to fraction form
205,052.70/307,579.05 = 185,369.70/x - Step 3: Cross multiply
205,052.70x = 307,579.05 × 185,369.70 - Step 4: Simplify right side
205,052.70x = 57,015,836,224.79 - Step 5: Solve for x
x = 57,015,836,224.79/205,052.70 - Step 6: Final answer
x = 278,054.55
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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.