Finding the Fourth Proportional to 311,466.25, 467,151.99 and 86,803.03
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Solution
The fourth proportional to 311,466.25, 467,151.99 and 86,803.03 is: 130,191.34
Step by Step Solution
- Step 1: Write the proportion equation
311,466.25 : 467,151.99 = 86,803.03 : x - Step 2: Convert to fraction form
311,466.25/467,151.99 = 86,803.03/x - Step 3: Cross multiply
311,466.25x = 467,151.99 × 86,803.03 - Step 4: Simplify right side
311,466.25x = 40,550,208,202.53 - Step 5: Solve for x
x = 40,550,208,202.53/311,466.25 - Step 6: Final answer
x = 130,191.34
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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.