Finding the Fourth Proportional to 136,702.94, 205,053.84 and 36,873.23
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Solution
The fourth proportional to 136,702.94, 205,053.84 and 36,873.23 is: 55,309.70
Step by Step Solution
- Step 1: Write the proportion equation
136,702.94 : 205,053.84 = 36,873.23 : x - Step 2: Convert to fraction form
136,702.94/205,053.84 = 36,873.23/x - Step 3: Cross multiply
136,702.94x = 205,053.84 × 36,873.23 - Step 4: Simplify right side
136,702.94x = 7,560,997,917.34 - Step 5: Solve for x
x = 7,560,997,917.34/136,702.94 - Step 6: Final answer
x = 55,309.70
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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.