Finding the Fourth Proportional to 217,279.70, 325,919.55 and 201,533.30
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Solution
The fourth proportional to 217,279.70, 325,919.55 and 201,533.30 is: 302,299.95
Step by Step Solution
- Step 1: Write the proportion equation
217,279.70 : 325,919.55 = 201,533.30 : x - Step 2: Convert to fraction form
217,279.70/325,919.55 = 201,533.30/x - Step 3: Cross multiply
217,279.70x = 325,919.55 × 201,533.30 - Step 4: Simplify right side
217,279.70x = 65,683,642,446.02 - Step 5: Solve for x
x = 65,683,642,446.02/217,279.70 - Step 6: Final answer
x = 302,299.95
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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.