Finding the Fourth Proportional to 305,356.92, 458,066.79 and 105,676.99
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Solution
The fourth proportional to 305,356.92, 458,066.79 and 105,676.99 is: 158,526.36
Step by Step Solution
- Step 1: Write the proportion equation
305,356.92 : 458,066.79 = 105,676.99 : x - Step 2: Convert to fraction form
305,356.92/458,066.79 = 105,676.99/x - Step 3: Cross multiply
305,356.92x = 458,066.79 × 105,676.99 - Step 4: Simplify right side
305,356.92x = 48,407,119,586.16 - Step 5: Solve for x
x = 48,407,119,586.16/305,356.92 - Step 6: Final answer
x = 158,526.36
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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.