Finding the Fourth Proportional to 208,040.96, 312,075.41 and 73,088.62
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Solution
The fourth proportional to 208,040.96, 312,075.41 and 73,088.62 is: 109,637.84
Step by Step Solution
- Step 1: Write the proportion equation
208,040.96 : 312,075.41 = 73,088.62 : x - Step 2: Convert to fraction form
208,040.96/312,075.41 = 73,088.62/x - Step 3: Cross multiply
208,040.96x = 312,075.41 × 73,088.62 - Step 4: Simplify right side
208,040.96x = 22,809,161,052.83 - Step 5: Solve for x
x = 22,809,161,052.83/208,040.96 - Step 6: Final answer
x = 109,637.84
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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.