Finding the Fourth Proportional to 308,042.36, 462,121.14 and 97,623.80
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Solution
The fourth proportional to 308,042.36, 462,121.14 and 97,623.80 is: 146,453.95
Step by Step Solution
- Step 1: Write the proportion equation
308,042.36 : 462,121.14 = 97,623.80 : x - Step 2: Convert to fraction form
308,042.36/462,121.14 = 97,623.80/x - Step 3: Cross multiply
308,042.36x = 462,121.14 × 97,623.80 - Step 4: Simplify right side
308,042.36x = 45,114,021,747.13 - Step 5: Solve for x
x = 45,114,021,747.13/308,042.36 - Step 6: Final answer
x = 146,453.95
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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.