Finding the Fourth Proportional to 236,556.93, 326,448.43 and 129,126.93
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Solution
The fourth proportional to 236,556.93, 326,448.43 and 129,126.93 is: 178,195.09
Step by Step Solution
- Step 1: Write the proportion equation
236,556.93 : 326,448.43 = 129,126.93 : x - Step 2: Convert to fraction form
236,556.93/326,448.43 = 129,126.93/x - Step 3: Cross multiply
236,556.93x = 326,448.43 × 129,126.93 - Step 4: Simplify right side
236,556.93x = 42,153,284,776.63 - Step 5: Solve for x
x = 42,153,284,776.63/236,556.93 - Step 6: Final answer
x = 178,195.09
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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.