Finding the Fourth Proportional to 155,471.99, 232,072.48 and 133,427.03
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Solution
The fourth proportional to 155,471.99, 232,072.48 and 133,427.03 is: 199,166.05
Step by Step Solution
- Step 1: Write the proportion equation
155,471.99 : 232,072.48 = 133,427.03 : x - Step 2: Convert to fraction form
155,471.99/232,072.48 = 133,427.03/x - Step 3: Cross multiply
155,471.99x = 232,072.48 × 133,427.03 - Step 4: Simplify right side
155,471.99x = 30,964,740,757.56 - Step 5: Solve for x
x = 30,964,740,757.56/155,471.99 - Step 6: Final answer
x = 199,166.05
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.