Finding the Fourth Proportional to 303,155.72, 418,349.36 and 167,202.26
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Solution
The fourth proportional to 303,155.72, 418,349.36 and 167,202.26 is: 230,736.07
Step by Step Solution
- Step 1: Write the proportion equation
303,155.72 : 418,349.36 = 167,202.26 : x - Step 2: Convert to fraction form
303,155.72/418,349.36 = 167,202.26/x - Step 3: Cross multiply
303,155.72x = 418,349.36 × 167,202.26 - Step 4: Simplify right side
303,155.72x = 69,948,958,461.55 - Step 5: Solve for x
x = 69,948,958,461.55/303,155.72 - Step 6: Final answer
x = 230,736.07
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1.5x scale
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.