Finding the Fourth Proportional to 615,219.89, 922,764.78 and 165,912.99
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Solution
The fourth proportional to 615,219.89, 922,764.78 and 165,912.99 is: 248,851.94
Step by Step Solution
- Step 1: Write the proportion equation
615,219.89 : 922,764.78 = 165,912.99 : x - Step 2: Convert to fraction form
615,219.89/922,764.78 = 165,912.99/x - Step 3: Cross multiply
615,219.89x = 922,764.78 × 165,912.99 - Step 4: Simplify right side
615,219.89x = 153,098,663,716.49 - Step 5: Solve for x
x = 153,098,663,716.49/615,219.89 - Step 6: Final answer
x = 248,851.94
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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.