Finding the Fourth Proportional to 228,652.38, 315,514.75 and 126,652.53
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Solution
The fourth proportional to 228,652.38, 315,514.75 and 126,652.53 is: 174,766.35
Step by Step Solution
- Step 1: Write the proportion equation
228,652.38 : 315,514.75 = 126,652.53 : x - Step 2: Convert to fraction form
228,652.38/315,514.75 = 126,652.53/x - Step 3: Cross multiply
228,652.38x = 315,514.75 × 126,652.53 - Step 4: Simplify right side
228,652.38x = 39,960,741,852.25 - Step 5: Solve for x
x = 39,960,741,852.25/228,652.38 - Step 6: Final answer
x = 174,766.35
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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.