Finding the Fourth Proportional to 303,484.09, 418,808.07 and 167,518.07
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Solution
The fourth proportional to 303,484.09, 418,808.07 and 167,518.07 is: 231,174.96
Step by Step Solution
- Step 1: Write the proportion equation
303,484.09 : 418,808.07 = 167,518.07 : x - Step 2: Convert to fraction form
303,484.09/418,808.07 = 167,518.07/x - Step 3: Cross multiply
303,484.09x = 418,808.07 × 167,518.07 - Step 4: Simplify right side
303,484.09x = 70,157,921,419.11 - Step 5: Solve for x
x = 70,157,921,419.11/303,484.09 - Step 6: Final answer
x = 231,174.96
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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.