Finding the Fourth Proportional to 263,403.13, 363,493.53 and 142,541.74
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Solution
The fourth proportional to 263,403.13, 363,493.53 and 142,541.74 is: 196,706.09
Step by Step Solution
- Step 1: Write the proportion equation
263,403.13 : 363,493.53 = 142,541.74 : x - Step 2: Convert to fraction form
263,403.13/363,493.53 = 142,541.74/x - Step 3: Cross multiply
263,403.13x = 363,493.53 × 142,541.74 - Step 4: Simplify right side
263,403.13x = 51,813,000,244.94 - Step 5: Solve for x
x = 51,813,000,244.94/263,403.13 - Step 6: Final answer
x = 196,706.09
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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.