Finding the Fourth Proportional to 528,841.94, 793,578.11 and 191,908.88
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Solution
The fourth proportional to 528,841.94, 793,578.11 and 191,908.88 is: 287,977.69
Step by Step Solution
- Step 1: Write the proportion equation
528,841.94 : 793,578.11 = 191,908.88 : x - Step 2: Convert to fraction form
528,841.94/793,578.11 = 191,908.88/x - Step 3: Cross multiply
528,841.94x = 793,578.11 × 191,908.88 - Step 4: Simplify right side
528,841.94x = 152,294,681,355.18 - Step 5: Solve for x
x = 152,294,681,355.18/528,841.94 - Step 6: Final answer
x = 287,977.69
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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.