Finding the Fourth Proportional to 263,602.70, 395,404.05 and 121,447.70
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Solution
The fourth proportional to 263,602.70, 395,404.05 and 121,447.70 is: 182,171.55
Step by Step Solution
- Step 1: Write the proportion equation
263,602.70 : 395,404.05 = 121,447.70 : x - Step 2: Convert to fraction form
263,602.70/395,404.05 = 121,447.70/x - Step 3: Cross multiply
263,602.70x = 395,404.05 × 121,447.70 - Step 4: Simplify right side
263,602.70x = 48,020,912,443.19 - Step 5: Solve for x
x = 48,020,912,443.19/263,602.70 - Step 6: Final answer
x = 182,171.55
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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.