Finding the Fourth Proportional to 301,080.39, 415,490.51 and 173,755.99
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Solution
The fourth proportional to 301,080.39, 415,490.51 and 173,755.99 is: 239,783.01
Step by Step Solution
- Step 1: Write the proportion equation
301,080.39 : 415,490.51 = 173,755.99 : x - Step 2: Convert to fraction form
301,080.39/415,490.51 = 173,755.99/x - Step 3: Cross multiply
301,080.39x = 415,490.51 × 173,755.99 - Step 4: Simplify right side
301,080.39x = 72,193,963,517.27 - Step 5: Solve for x
x = 72,193,963,517.27/301,080.39 - Step 6: Final answer
x = 239,783.01
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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.