Finding the Fourth Proportional to 207,955.80, 311,415.30 and 166,483.80
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Solution
The fourth proportional to 207,955.80, 311,415.30 and 166,483.80 is: 249,310.68
Step by Step Solution
- Step 1: Write the proportion equation
207,955.80 : 311,415.30 = 166,483.80 : x - Step 2: Convert to fraction form
207,955.80/311,415.30 = 166,483.80/x - Step 3: Cross multiply
207,955.80x = 311,415.30 × 166,483.80 - Step 4: Simplify right side
207,955.80x = 51,845,602,522.14 - Step 5: Solve for x
x = 51,845,602,522.14/207,955.80 - Step 6: Final answer
x = 249,310.68
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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.