Finding the Fourth Proportional to 315,476.24, 435,358.20 and 202,299.44
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Solution
The fourth proportional to 315,476.24, 435,358.20 and 202,299.44 is: 279,173.86
Step by Step Solution
- Step 1: Write the proportion equation
315,476.24 : 435,358.20 = 202,299.44 : x - Step 2: Convert to fraction form
315,476.24/435,358.20 = 202,299.44/x - Step 3: Cross multiply
315,476.24x = 435,358.20 × 202,299.44 - Step 4: Simplify right side
315,476.24x = 88,072,720,059.41 - Step 5: Solve for x
x = 88,072,720,059.41/315,476.24 - Step 6: Final answer
x = 279,173.86
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.