Finding the Fourth Proportional to 358,220.88, 537,309.72 and 133,537.68
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Solution
The fourth proportional to 358,220.88, 537,309.72 and 133,537.68 is: 200,298.47
Step by Step Solution
- Step 1: Write the proportion equation
358,220.88 : 537,309.72 = 133,537.68 : x - Step 2: Convert to fraction form
358,220.88/537,309.72 = 133,537.68/x - Step 3: Cross multiply
358,220.88x = 537,309.72 × 133,537.68 - Step 4: Simplify right side
358,220.88x = 71,751,093,450.25 - Step 5: Solve for x
x = 71,751,093,450.25/358,220.88 - Step 6: Final answer
x = 200,298.47
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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.