Finding the Fourth Proportional to 810,336.33, 1,215,505.41 and 211,296.99
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Solution
The fourth proportional to 810,336.33, 1,215,505.41 and 211,296.99 is: 316,945.72
Step by Step Solution
- Step 1: Write the proportion equation
810,336.33 : 1,215,505.41 = 211,296.99 : x - Step 2: Convert to fraction form
810,336.33/1,215,505.41 = 211,296.99/x - Step 3: Cross multiply
810,336.33x = 1,215,505.41 × 211,296.99 - Step 4: Simplify right side
810,336.33x = 256,832,634,461.72 - Step 5: Solve for x
x = 256,832,634,461.72/810,336.33 - Step 6: Final answer
x = 316,945.72
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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.