Finding the Fourth Proportional to 301,400.51, 415,938.06 and 165,447.09
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Solution
The fourth proportional to 301,400.51, 415,938.06 and 165,447.09 is: 228,319.92
Step by Step Solution
- Step 1: Write the proportion equation
301,400.51 : 415,938.06 = 165,447.09 : x - Step 2: Convert to fraction form
301,400.51/415,938.06 = 165,447.09/x - Step 3: Cross multiply
301,400.51x = 415,938.06 × 165,447.09 - Step 4: Simplify right side
301,400.51x = 68,815,741,647.25 - Step 5: Solve for x
x = 68,815,741,647.25/301,400.51 - Step 6: Final answer
x = 228,319.92
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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.