Finding the Fourth Proportional to 303,481.20, 455,497.20 and 153,825.60
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Solution
The fourth proportional to 303,481.20, 455,497.20 and 153,825.60 is: 230,877.99
Step by Step Solution
- Step 1: Write the proportion equation
303,481.20 : 455,497.20 = 153,825.60 : x - Step 2: Convert to fraction form
303,481.20/455,497.20 = 153,825.60/x - Step 3: Cross multiply
303,481.20x = 455,497.20 × 153,825.60 - Step 4: Simplify right side
303,481.20x = 70,067,130,088.32 - Step 5: Solve for x
x = 70,067,130,088.32/303,481.20 - Step 6: Final answer
x = 230,877.99
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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.