Finding the Fourth Proportional to 373,364.48, 515,197.14 and 228,243.26
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Solution
The fourth proportional to 373,364.48, 515,197.14 and 228,243.26 is: 314,947.67
Step by Step Solution
- Step 1: Write the proportion equation
373,364.48 : 515,197.14 = 228,243.26 : x - Step 2: Convert to fraction form
373,364.48/515,197.14 = 228,243.26/x - Step 3: Cross multiply
373,364.48x = 515,197.14 × 228,243.26 - Step 4: Simplify right side
373,364.48x = 117,590,274,776.28 - Step 5: Solve for x
x = 117,590,274,776.28/373,364.48 - Step 6: Final answer
x = 314,947.67
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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.