Finding the Fourth Proportional to 207,197.28, 285,929.64 and 116,553.88
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Solution
The fourth proportional to 207,197.28, 285,929.64 and 116,553.88 is: 160,842.88
Step by Step Solution
- Step 1: Write the proportion equation
207,197.28 : 285,929.64 = 116,553.88 : x - Step 2: Convert to fraction form
207,197.28/285,929.64 = 116,553.88/x - Step 3: Cross multiply
207,197.28x = 285,929.64 × 116,553.88 - Step 4: Simplify right side
207,197.28x = 33,326,208,234.18 - Step 5: Solve for x
x = 33,326,208,234.18/207,197.28 - Step 6: Final answer
x = 160,842.88
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.