Finding the Fourth Proportional to 236,852.09, 326,851.95 and 129,419.66
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Solution
The fourth proportional to 236,852.09, 326,851.95 and 129,419.66 is: 178,596.98
Step by Step Solution
- Step 1: Write the proportion equation
236,852.09 : 326,851.95 = 129,419.66 : x - Step 2: Convert to fraction form
236,852.09/326,851.95 = 129,419.66/x - Step 3: Cross multiply
236,852.09x = 326,851.95 × 129,419.66 - Step 4: Simplify right side
236,852.09x = 42,301,066,605.08 - Step 5: Solve for x
x = 42,301,066,605.08/236,852.09 - Step 6: Final answer
x = 178,596.98
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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.