Finding the Fourth Proportional to 352,143.36, 485,955 and 190,998
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Solution
The fourth proportional to 352,143.36, 485,955 and 190,998 is: 263,575.70
Step by Step Solution
- Step 1: Write the proportion equation
352,143.36 : 485,955 = 190,998 : x - Step 2: Convert to fraction form
352,143.36/485,955 = 190,998/x - Step 3: Cross multiply
352,143.36x = 485,955 × 190,998 - Step 4: Simplify right side
352,143.36x = 92,816,433,090 - Step 5: Solve for x
x = 92,816,433,090/352,143.36 - Step 6: Final answer
x = 263,575.70
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.