Finding the Fourth Proportional to 301,421.23, 415,965.60 and 165,452.70
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Solution
The fourth proportional to 301,421.23, 415,965.60 and 165,452.70 is: 228,327.09
Step by Step Solution
- Step 1: Write the proportion equation
301,421.23 : 415,965.60 = 165,452.70 : x - Step 2: Convert to fraction form
301,421.23/415,965.60 = 165,452.70/x - Step 3: Cross multiply
301,421.23x = 415,965.60 × 165,452.70 - Step 4: Simplify right side
301,421.23x = 68,822,631,627.12 - Step 5: Solve for x
x = 68,822,631,627.12/301,421.23 - Step 6: Final answer
x = 228,327.09
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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.