Finding the Fourth Proportional to 358,022.63, 536,993.84 and 91,789.40
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Solution
The fourth proportional to 358,022.63, 536,993.84 and 91,789.40 is: 137,673.82
Step by Step Solution
- Step 1: Write the proportion equation
358,022.63 : 536,993.84 = 91,789.40 : x - Step 2: Convert to fraction form
358,022.63/536,993.84 = 91,789.40/x - Step 3: Cross multiply
358,022.63x = 536,993.84 × 91,789.40 - Step 4: Simplify right side
358,022.63x = 49,290,342,377.30 - Step 5: Solve for x
x = 49,290,342,377.30/358,022.63 - Step 6: Final answer
x = 137,673.82
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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.