Finding the Fourth Proportional to 207,955.70, 311,933.55 and 199,207.70
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Solution
The fourth proportional to 207,955.70, 311,933.55 and 199,207.70 is: 298,811.55
Step by Step Solution
- Step 1: Write the proportion equation
207,955.70 : 311,933.55 = 199,207.70 : x - Step 2: Convert to fraction form
207,955.70/311,933.55 = 199,207.70/x - Step 3: Cross multiply
207,955.70x = 311,933.55 × 199,207.70 - Step 4: Simplify right side
207,955.70x = 62,139,565,048.34 - Step 5: Solve for x
x = 62,139,565,048.34/207,955.70 - Step 6: Final answer
x = 298,811.55
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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.