Finding the Fourth Proportional to 136,396.14, 204,702.21 and 57,564.78
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Solution
The fourth proportional to 136,396.14, 204,702.21 and 57,564.78 is: 86,392.75
Step by Step Solution
- Step 1: Write the proportion equation
136,396.14 : 204,702.21 = 57,564.78 : x - Step 2: Convert to fraction form
136,396.14/204,702.21 = 57,564.78/x - Step 3: Cross multiply
136,396.14x = 204,702.21 × 57,564.78 - Step 4: Simplify right side
136,396.14x = 11,783,637,684.16 - Step 5: Solve for x
x = 11,783,637,684.16/136,396.14 - Step 6: Final answer
x = 86,392.75
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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.