Finding the Fourth Proportional to 247,637.76, 371,537.64 and 79,185.84
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Solution
The fourth proportional to 247,637.76, 371,537.64 and 79,185.84 is: 118,804.66
Step by Step Solution
- Step 1: Write the proportion equation
247,637.76 : 371,537.64 = 79,185.84 : x - Step 2: Convert to fraction form
247,637.76/371,537.64 = 79,185.84/x - Step 3: Cross multiply
247,637.76x = 371,537.64 × 79,185.84 - Step 4: Simplify right side
247,637.76x = 29,420,520,115.02 - Step 5: Solve for x
x = 29,420,520,115.02/247,637.76 - Step 6: Final answer
x = 118,804.66
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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.