Finding the Fourth Proportional to 183,639.80, 275,459.70 and 104,907.80
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Solution
The fourth proportional to 183,639.80, 275,459.70 and 104,907.80 is: 157,361.70
Step by Step Solution
- Step 1: Write the proportion equation
183,639.80 : 275,459.70 = 104,907.80 : x - Step 2: Convert to fraction form
183,639.80/275,459.70 = 104,907.80/x - Step 3: Cross multiply
183,639.80x = 275,459.70 × 104,907.80 - Step 4: Simplify right side
183,639.80x = 28,897,871,115.66 - Step 5: Solve for x
x = 28,897,871,115.66/183,639.80 - Step 6: Final answer
x = 157,361.70
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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.