Finding the Fourth Proportional to 184,438.20, 276,657.30 and 121,452.60
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Solution
The fourth proportional to 184,438.20, 276,657.30 and 121,452.60 is: 182,178.90
Step by Step Solution
- Step 1: Write the proportion equation
184,438.20 : 276,657.30 = 121,452.60 : x - Step 2: Convert to fraction form
184,438.20/276,657.30 = 121,452.60/x - Step 3: Cross multiply
184,438.20x = 276,657.30 × 121,452.60 - Step 4: Simplify right side
184,438.20x = 33,600,748,393.98 - Step 5: Solve for x
x = 33,600,748,393.98/184,438.20 - Step 6: Final answer
x = 182,178.90
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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.