Finding the Fourth Proportional to 136,394.14, 204,699.21 and 57,562.78
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Solution
The fourth proportional to 136,394.14, 204,699.21 and 57,562.78 is: 86,389.75
Step by Step Solution
- Step 1: Write the proportion equation
136,394.14 : 204,699.21 = 57,562.78 : x - Step 2: Convert to fraction form
136,394.14/204,699.21 = 57,562.78/x - Step 3: Cross multiply
136,394.14x = 204,699.21 × 57,562.78 - Step 4: Simplify right side
136,394.14x = 11,783,055,591.40 - Step 5: Solve for x
x = 11,783,055,591.40/136,394.14 - Step 6: Final answer
x = 86,389.75
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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.