Finding the Fourth Proportional to 165,542.67, 248,290.31 and 53,208.09
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Solution
The fourth proportional to 165,542.67, 248,290.31 and 53,208.09 is: 79,804.52
Step by Step Solution
- Step 1: Write the proportion equation
165,542.67 : 248,290.31 = 53,208.09 : x - Step 2: Convert to fraction form
165,542.67/248,290.31 = 53,208.09/x - Step 3: Cross multiply
165,542.67x = 248,290.31 × 53,208.09 - Step 4: Simplify right side
165,542.67x = 13,211,053,293.63 - Step 5: Solve for x
x = 13,211,053,293.63/165,542.67 - Step 6: Final answer
x = 79,804.52
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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.