Finding the Fourth Proportional to 164,543.40, 246,620.70 and 122,941.80
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Solution
The fourth proportional to 164,543.40, 246,620.70 and 122,941.80 is: 184,267.45
Step by Step Solution
- Step 1: Write the proportion equation
164,543.40 : 246,620.70 = 122,941.80 : x - Step 2: Convert to fraction form
164,543.40/246,620.70 = 122,941.80/x - Step 3: Cross multiply
164,543.40x = 246,620.70 × 122,941.80 - Step 4: Simplify right side
164,543.40x = 30,319,992,775.26 - Step 5: Solve for x
x = 30,319,992,775.26/164,543.40 - Step 6: Final answer
x = 184,267.45
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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.