Finding the Fourth Proportional to 664,141.20, 996,104.88 and 190,718.88
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Solution
The fourth proportional to 664,141.20, 996,104.88 and 190,718.88 is: 286,047.62
Step by Step Solution
- Step 1: Write the proportion equation
664,141.20 : 996,104.88 = 190,718.88 : x - Step 2: Convert to fraction form
664,141.20/996,104.88 = 190,718.88/x - Step 3: Cross multiply
664,141.20x = 996,104.88 × 190,718.88 - Step 4: Simplify right side
664,141.20x = 189,976,007,076.13 - Step 5: Solve for x
x = 189,976,007,076.13/664,141.20 - Step 6: Final answer
x = 286,047.62
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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.