Finding the Fourth Proportional to 311,918.18, 467,828.47 and 101,554.70
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Solution
The fourth proportional to 311,918.18, 467,828.47 and 101,554.70 is: 152,316.16
Step by Step Solution
- Step 1: Write the proportion equation
311,918.18 : 467,828.47 = 101,554.70 : x - Step 2: Convert to fraction form
311,918.18/467,828.47 = 101,554.70/x - Step 3: Cross multiply
311,918.18x = 467,828.47 × 101,554.70 - Step 4: Simplify right side
311,918.18x = 47,510,179,414.54 - Step 5: Solve for x
x = 47,510,179,414.54/311,918.18 - Step 6: Final answer
x = 152,316.16
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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.