Finding the Fourth Proportional to 358,029.68, 537,045.21 and 91,791.14
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Solution
The fourth proportional to 358,029.68, 537,045.21 and 91,791.14 is: 137,686.89
Step by Step Solution
- Step 1: Write the proportion equation
358,029.68 : 537,045.21 = 91,791.14 : x - Step 2: Convert to fraction form
358,029.68/537,045.21 = 91,791.14/x - Step 3: Cross multiply
358,029.68x = 537,045.21 × 91,791.14 - Step 4: Simplify right side
358,029.68x = 49,295,992,057.44 - Step 5: Solve for x
x = 49,295,992,057.44/358,029.68 - Step 6: Final answer
x = 137,686.89
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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.