Finding the Fourth Proportional to 178,702.26, 246,628.80 and 102,228.41
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Solution
The fourth proportional to 178,702.26, 246,628.80 and 102,228.41 is: 141,086.46
Step by Step Solution
- Step 1: Write the proportion equation
178,702.26 : 246,628.80 = 102,228.41 : x - Step 2: Convert to fraction form
178,702.26/246,628.80 = 102,228.41/x - Step 3: Cross multiply
178,702.26x = 246,628.80 × 102,228.41 - Step 4: Simplify right side
178,702.26x = 25,212,468,851.06 - Step 5: Solve for x
x = 25,212,468,851.06/178,702.26 - Step 6: Final answer
x = 141,086.46
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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.