Finding the Fourth Proportional to 303,143.58, 418,331.21 and 167,173.65
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Solution
The fourth proportional to 303,143.58, 418,331.21 and 167,173.65 is: 230,695.81
Step by Step Solution
- Step 1: Write the proportion equation
303,143.58 : 418,331.21 = 167,173.65 : x - Step 2: Convert to fraction form
303,143.58/418,331.21 = 167,173.65/x - Step 3: Cross multiply
303,143.58x = 418,331.21 × 167,173.65 - Step 4: Simplify right side
303,143.58x = 69,933,954,448.75 - Step 5: Solve for x
x = 69,933,954,448.75/303,143.58 - Step 6: Final answer
x = 230,695.81
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.