Finding the Fourth Proportional to 107,715.08, 148,608.34 and 62,368.31
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Solution
The fourth proportional to 107,715.08, 148,608.34 and 62,368.31 is: 86,045.99
Step by Step Solution
- Step 1: Write the proportion equation
107,715.08 : 148,608.34 = 62,368.31 : x - Step 2: Convert to fraction form
107,715.08/148,608.34 = 62,368.31/x - Step 3: Cross multiply
107,715.08x = 148,608.34 × 62,368.31 - Step 4: Simplify right side
107,715.08x = 9,268,451,233.31 - Step 5: Solve for x
x = 9,268,451,233.31/107,715.08 - Step 6: Final answer
x = 86,045.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.