Finding the Fourth Proportional to 358,578.21, 537,804.98 and 133,940.58
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Solution
The fourth proportional to 358,578.21, 537,804.98 and 133,940.58 is: 200,887.59
Step by Step Solution
- Step 1: Write the proportion equation
358,578.21 : 537,804.98 = 133,940.58 : x - Step 2: Convert to fraction form
358,578.21/537,804.98 = 133,940.58/x - Step 3: Cross multiply
358,578.21x = 537,804.98 × 133,940.58 - Step 4: Simplify right side
358,578.21x = 72,033,910,948.09 - Step 5: Solve for x
x = 72,033,910,948.09/358,578.21 - Step 6: Final answer
x = 200,887.59
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.