Finding the Fourth Proportional to 249,716.22, 344,609.71 and 136,538.97
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Solution
The fourth proportional to 249,716.22, 344,609.71 and 136,538.97 is: 188,424.50
Step by Step Solution
- Step 1: Write the proportion equation
249,716.22 : 344,609.71 = 136,538.97 : x - Step 2: Convert to fraction form
249,716.22/344,609.71 = 136,538.97/x - Step 3: Cross multiply
249,716.22x = 344,609.71 × 136,538.97 - Step 4: Simplify right side
249,716.22x = 47,052,654,855.40 - Step 5: Solve for x
x = 47,052,654,855.40/249,716.22 - Step 6: Final answer
x = 188,424.50
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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.