Finding the Fourth Proportional to 303,515.13, 418,829.38 and 167,527.26
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Solution
The fourth proportional to 303,515.13, 418,829.38 and 167,527.26 is: 231,175.75
Step by Step Solution
- Step 1: Write the proportion equation
303,515.13 : 418,829.38 = 167,527.26 : x - Step 2: Convert to fraction form
303,515.13/418,829.38 = 167,527.26/x - Step 3: Cross multiply
303,515.13x = 418,829.38 × 167,527.26 - Step 4: Simplify right side
303,515.13x = 70,165,338,438.90 - Step 5: Solve for x
x = 70,165,338,438.90/303,515.13 - Step 6: Final answer
x = 231,175.75
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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.