Finding the Fourth Proportional to 122,833.64, 184,251.68 and 51,768.29
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Solution
The fourth proportional to 122,833.64, 184,251.68 and 51,768.29 is: 77,652.95
Step by Step Solution
- Step 1: Write the proportion equation
122,833.64 : 184,251.68 = 51,768.29 : x - Step 2: Convert to fraction form
122,833.64/184,251.68 = 51,768.29/x - Step 3: Cross multiply
122,833.64x = 184,251.68 × 51,768.29 - Step 4: Simplify right side
122,833.64x = 9,538,394,799.15 - Step 5: Solve for x
x = 9,538,394,799.15/122,833.64 - Step 6: Final answer
x = 77,652.95
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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.