Finding the Fourth Proportional to 122,838.49, 184,250.44 and 72,265.96
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Solution
The fourth proportional to 122,838.49, 184,250.44 and 72,265.96 is: 108,394.65
Step by Step Solution
- Step 1: Write the proportion equation
122,838.49 : 184,250.44 = 72,265.96 : x - Step 2: Convert to fraction form
122,838.49/184,250.44 = 72,265.96/x - Step 3: Cross multiply
122,838.49x = 184,250.44 × 72,265.96 - Step 4: Simplify right side
122,838.49x = 13,315,034,927.02 - Step 5: Solve for x
x = 13,315,034,927.02/122,838.49 - Step 6: Final answer
x = 108,394.65
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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.