Finding the Fourth Proportional to 301,419.23, 415,962.84 and 165,450.70
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Solution
The fourth proportional to 301,419.23, 415,962.84 and 165,450.70 is: 228,324.34
Step by Step Solution
- Step 1: Write the proportion equation
301,419.23 : 415,962.84 = 165,450.70 : x - Step 2: Convert to fraction form
301,419.23/415,962.84 = 165,450.70/x - Step 3: Cross multiply
301,419.23x = 415,962.84 × 165,450.70 - Step 4: Simplify right side
301,419.23x = 68,821,344,192.38 - Step 5: Solve for x
x = 68,821,344,192.38/301,419.23 - Step 6: Final answer
x = 228,324.34
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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.