Finding the Fourth Proportional to 122,408.48, 183,501.89 and 43,504.26
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Solution
The fourth proportional to 122,408.48, 183,501.89 and 43,504.26 is: 65,216.99
Step by Step Solution
- Step 1: Write the proportion equation
122,408.48 : 183,501.89 = 43,504.26 : x - Step 2: Convert to fraction form
122,408.48/183,501.89 = 43,504.26/x - Step 3: Cross multiply
122,408.48x = 183,501.89 × 43,504.26 - Step 4: Simplify right side
122,408.48x = 7,983,113,190.54 - Step 5: Solve for x
x = 7,983,113,190.54/122,408.48 - Step 6: Final answer
x = 65,216.99
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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.