Finding the Fourth Proportional to 115,412.81, 173,196.53 and 40,533.23
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Solution
The fourth proportional to 115,412.81, 173,196.53 and 40,533.23 is: 60,826.99
Step by Step Solution
- Step 1: Write the proportion equation
115,412.81 : 173,196.53 = 40,533.23 : x - Step 2: Convert to fraction form
115,412.81/173,196.53 = 40,533.23/x - Step 3: Cross multiply
115,412.81x = 173,196.53 × 40,533.23 - Step 4: Simplify right side
115,412.81x = 7,020,213,717.04 - Step 5: Solve for x
x = 7,020,213,717.04/115,412.81 - Step 6: Final answer
x = 60,826.99
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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.