Finding the Fourth Proportional to 121,380.30, 182,024.28 and 37,114.74
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Solution
The fourth proportional to 121,380.30, 182,024.28 and 37,114.74 is: 55,657.99
Step by Step Solution
- Step 1: Write the proportion equation
121,380.30 : 182,024.28 = 37,114.74 : x - Step 2: Convert to fraction form
121,380.30/182,024.28 = 37,114.74/x - Step 3: Cross multiply
121,380.30x = 182,024.28 × 37,114.74 - Step 4: Simplify right side
121,380.30x = 6,755,783,825.89 - Step 5: Solve for x
x = 6,755,783,825.89/121,380.30 - Step 6: Final answer
x = 55,657.99
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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.