Finding the Fourth Proportional to 239,750.40, 359,625.60 and 115,027.20
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Solution
The fourth proportional to 239,750.40, 359,625.60 and 115,027.20 is: 172,540.80
Step by Step Solution
- Step 1: Write the proportion equation
239,750.40 : 359,625.60 = 115,027.20 : x - Step 2: Convert to fraction form
239,750.40/359,625.60 = 115,027.20/x - Step 3: Cross multiply
239,750.40x = 359,625.60 × 115,027.20 - Step 4: Simplify right side
239,750.40x = 41,366,725,816.32 - Step 5: Solve for x
x = 41,366,725,816.32/239,750.40 - Step 6: Final answer
x = 172,540.80
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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.