Finding the Fourth Proportional to 207,271.70, 311,368.35 and 201,742.10
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Solution
The fourth proportional to 207,271.70, 311,368.35 and 201,742.10 is: 303,061.66
Step by Step Solution
- Step 1: Write the proportion equation
207,271.70 : 311,368.35 = 201,742.10 : x - Step 2: Convert to fraction form
207,271.70/311,368.35 = 201,742.10/x - Step 3: Cross multiply
207,271.70x = 311,368.35 × 201,742.10 - Step 4: Simplify right side
207,271.70x = 62,816,104,802.54 - Step 5: Solve for x
x = 62,816,104,802.54/207,271.70 - Step 6: Final answer
x = 303,061.66
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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.