Finding the Fourth Proportional to 308,161.30, 462,241.95 and 97,815.70
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Solution
The fourth proportional to 308,161.30, 462,241.95 and 97,815.70 is: 146,723.55
Step by Step Solution
- Step 1: Write the proportion equation
308,161.30 : 462,241.95 = 97,815.70 : x - Step 2: Convert to fraction form
308,161.30/462,241.95 = 97,815.70/x - Step 3: Cross multiply
308,161.30x = 462,241.95 × 97,815.70 - Step 4: Simplify right side
308,161.30x = 45,214,519,908.62 - Step 5: Solve for x
x = 45,214,519,908.62/308,161.30 - Step 6: Final answer
x = 146,723.55
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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.