Finding the Fourth Proportional to 122,975.60, 184,456.11 and 43,007.99
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Solution
The fourth proportional to 122,975.60, 184,456.11 and 43,007.99 is: 64,509.44
Step by Step Solution
- Step 1: Write the proportion equation
122,975.60 : 184,456.11 = 43,007.99 : x - Step 2: Convert to fraction form
122,975.60/184,456.11 = 43,007.99/x - Step 3: Cross multiply
122,975.60x = 184,456.11 × 43,007.99 - Step 4: Simplify right side
122,975.60x = 7,933,086,534.32 - Step 5: Solve for x
x = 7,933,086,534.32/122,975.60 - Step 6: Final answer
x = 64,509.44
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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.