Finding the Fourth Proportional to 155,270.70, 232,955.27 and 55,428.75
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Solution
The fourth proportional to 155,270.70, 232,955.27 and 55,428.75 is: 83,160.69
Step by Step Solution
- Step 1: Write the proportion equation
155,270.70 : 232,955.27 = 55,428.75 : x - Step 2: Convert to fraction form
155,270.70/232,955.27 = 55,428.75/x - Step 3: Cross multiply
155,270.70x = 232,955.27 × 55,428.75 - Step 4: Simplify right side
155,270.70x = 12,912,419,144.87 - Step 5: Solve for x
x = 12,912,419,144.87/155,270.70 - Step 6: Final answer
x = 83,160.69
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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.