Finding the Fourth Proportional to 249,920.21, 344,531.09 and 178,175.68
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Solution
The fourth proportional to 249,920.21, 344,531.09 and 178,175.68 is: 245,626.64
Step by Step Solution
- Step 1: Write the proportion equation
249,920.21 : 344,531.09 = 178,175.68 : x - Step 2: Convert to fraction form
249,920.21/344,531.09 = 178,175.68/x - Step 3: Cross multiply
249,920.21x = 344,531.09 × 178,175.68 - Step 4: Simplify right side
249,920.21x = 61,387,061,241.89 - Step 5: Solve for x
x = 61,387,061,241.89/249,920.21 - Step 6: Final answer
x = 245,626.64
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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.