Finding the Fourth Proportional to 136,702.92, 205,053.15 and 43,208.70
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Solution
The fourth proportional to 136,702.92, 205,053.15 and 43,208.70 is: 64,812.66
Step by Step Solution
- Step 1: Write the proportion equation
136,702.92 : 205,053.15 = 43,208.70 : x - Step 2: Convert to fraction form
136,702.92/205,053.15 = 43,208.70/x - Step 3: Cross multiply
136,702.92x = 205,053.15 × 43,208.70 - Step 4: Simplify right side
136,702.92x = 8,860,080,042.41 - Step 5: Solve for x
x = 8,860,080,042.41/136,702.92 - Step 6: Final answer
x = 64,812.66
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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.