Finding the Fourth Proportional to 157,772.62, 236,745.04 and 91,342.49
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Solution
The fourth proportional to 157,772.62, 236,745.04 and 91,342.49 is: 137,063.59
Step by Step Solution
- Step 1: Write the proportion equation
157,772.62 : 236,745.04 = 91,342.49 : x - Step 2: Convert to fraction form
157,772.62/236,745.04 = 91,342.49/x - Step 3: Cross multiply
157,772.62x = 236,745.04 × 91,342.49 - Step 4: Simplify right side
157,772.62x = 21,624,881,948.57 - Step 5: Solve for x
x = 21,624,881,948.57/157,772.62 - Step 6: Final answer
x = 137,063.59
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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.