Finding the Fourth Proportional to 263,652.23, 363,838.26 and 142,790.75
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Solution
The fourth proportional to 263,652.23, 363,838.26 and 142,790.75 is: 197,050.25
Step by Step Solution
- Step 1: Write the proportion equation
263,652.23 : 363,838.26 = 142,790.75 : x - Step 2: Convert to fraction form
263,652.23/363,838.26 = 142,790.75/x - Step 3: Cross multiply
263,652.23x = 363,838.26 × 142,790.75 - Step 4: Simplify right side
263,652.23x = 51,952,738,024.10 - Step 5: Solve for x
x = 51,952,738,024.10/263,652.23 - Step 6: Final answer
x = 197,050.25
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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.