Finding the Fourth Proportional to 122,714.19, 184,035.69 and 47,817.63
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Solution
The fourth proportional to 122,714.19, 184,035.69 and 47,817.63 is: 71,712.57
Step by Step Solution
- Step 1: Write the proportion equation
122,714.19 : 184,035.69 = 47,817.63 : x - Step 2: Convert to fraction form
122,714.19/184,035.69 = 47,817.63/x - Step 3: Cross multiply
122,714.19x = 184,035.69 × 47,817.63 - Step 4: Simplify right side
122,714.19x = 8,800,150,531.21 - Step 5: Solve for x
x = 8,800,150,531.21/122,714.19 - Step 6: Final answer
x = 71,712.57
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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.