Finding the Fourth Proportional to 263,197.96, 363,214.28 and 142,339.25
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Solution
The fourth proportional to 263,197.96, 363,214.28 and 142,339.25 is: 196,428.75
Step by Step Solution
- Step 1: Write the proportion equation
263,197.96 : 363,214.28 = 142,339.25 : x - Step 2: Convert to fraction form
263,197.96/363,214.28 = 142,339.25/x - Step 3: Cross multiply
263,197.96x = 363,214.28 × 142,339.25 - Step 4: Simplify right side
263,197.96x = 51,699,646,624.64 - Step 5: Solve for x
x = 51,699,646,624.64/263,197.96 - Step 6: Final answer
x = 196,428.75
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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.