Finding the Fourth Proportional to 329,879.60, 494,236.20 and 292,554.80
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Solution
The fourth proportional to 329,879.60, 494,236.20 and 292,554.80 is: 438,314.99
Step by Step Solution
- Step 1: Write the proportion equation
329,879.60 : 494,236.20 = 292,554.80 : x - Step 2: Convert to fraction form
329,879.60/494,236.20 = 292,554.80/x - Step 3: Cross multiply
329,879.60x = 494,236.20 × 292,554.80 - Step 4: Simplify right side
329,879.60x = 144,591,172,643.76 - Step 5: Solve for x
x = 144,591,172,643.76/329,879.60 - Step 6: Final answer
x = 438,314.99
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.