Finding the Fourth Proportional to 311,316.28, 467,040.03 and 100,937.81
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Solution
The fourth proportional to 311,316.28, 467,040.03 and 100,937.81 is: 151,427.99
Step by Step Solution
- Step 1: Write the proportion equation
311,316.28 : 467,040.03 = 100,937.81 : x - Step 2: Convert to fraction form
311,316.28/467,040.03 = 100,937.81/x - Step 3: Cross multiply
311,316.28x = 467,040.03 × 100,937.81 - Step 4: Simplify right side
311,316.28x = 47,141,998,599.62 - Step 5: Solve for x
x = 47,141,998,599.62/311,316.28 - Step 6: Final answer
x = 151,427.99
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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.