Finding the Fourth Proportional to 256,611,380.26, 384,920,219.26 and 169,729,043.62
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Solution
The fourth proportional to 256,611,380.26, 384,920,219.26 and 169,729,043.62 is: 254,595,648.17
Step by Step Solution
- Step 1: Write the proportion equation
256,611,380.26 : 384,920,219.26 = 169,729,043.62 : x - Step 2: Convert to fraction form
256,611,380.26/384,920,219.26 = 169,729,043.62/x - Step 3: Cross multiply
256,611,380.26x = 384,920,219.26 × 169,729,043.62 - Step 4: Simplify right side
256,611,380.26x = 65,332,140,685,000,504 - Step 5: Solve for x
x = 65,332,140,685,000,504/256,611,380.26 - Step 6: Final answer
x = 254,595,648.17
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.