Finding the Fourth Proportional to 204,939.60, 307,639.80 and 158,398.80
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Solution
The fourth proportional to 204,939.60, 307,639.80 and 158,398.80 is: 237,776.28
Step by Step Solution
- Step 1: Write the proportion equation
204,939.60 : 307,639.80 = 158,398.80 : x - Step 2: Convert to fraction form
204,939.60/307,639.80 = 158,398.80/x - Step 3: Cross multiply
204,939.60x = 307,639.80 × 158,398.80 - Step 4: Simplify right side
204,939.60x = 48,729,775,152.24 - Step 5: Solve for x
x = 48,729,775,152.24/204,939.60 - Step 6: Final answer
x = 237,776.28
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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.