Finding the Fourth Proportional to 263,353.35, 363,425.04 and 142,491.99
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Solution
The fourth proportional to 263,353.35, 363,425.04 and 142,491.99 is: 196,637.55
Step by Step Solution
- Step 1: Write the proportion equation
263,353.35 : 363,425.04 = 142,491.99 : x - Step 2: Convert to fraction form
263,353.35/363,425.04 = 142,491.99/x - Step 3: Cross multiply
263,353.35x = 363,425.04 × 142,491.99 - Step 4: Simplify right side
263,353.35x = 51,785,157,165.43 - Step 5: Solve for x
x = 51,785,157,165.43/263,353.35 - Step 6: Final answer
x = 196,637.55
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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.