Finding the Fourth Proportional to 178,946.20, 246,946.26 and 102,466.45
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Solution
The fourth proportional to 178,946.20, 246,946.26 and 102,466.45 is: 141,403.99
Step by Step Solution
- Step 1: Write the proportion equation
178,946.20 : 246,946.26 = 102,466.45 : x - Step 2: Convert to fraction form
178,946.20/246,946.26 = 102,466.45/x - Step 3: Cross multiply
178,946.20x = 246,946.26 × 102,466.45 - Step 4: Simplify right side
178,946.20x = 25,303,706,602.98 - Step 5: Solve for x
x = 25,303,706,602.98/178,946.20 - Step 6: Final answer
x = 141,403.99
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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.