Finding the Fourth Proportional to 157,625.40, 236,438.10 and 98,527.80
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Solution
The fourth proportional to 157,625.40, 236,438.10 and 98,527.80 is: 147,791.70
Step by Step Solution
- Step 1: Write the proportion equation
157,625.40 : 236,438.10 = 98,527.80 : x - Step 2: Convert to fraction form
157,625.40/236,438.10 = 98,527.80/x - Step 3: Cross multiply
157,625.40x = 236,438.10 × 98,527.80 - Step 4: Simplify right side
157,625.40x = 23,295,725,829.18 - Step 5: Solve for x
x = 23,295,725,829.18/157,625.40 - Step 6: Final answer
x = 147,791.70
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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.