Finding the Fourth Proportional to 246,129.64, 369,189.16 and 68,631.92
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Solution
The fourth proportional to 246,129.64, 369,189.16 and 68,631.92 is: 102,946.40
Step by Step Solution
- Step 1: Write the proportion equation
246,129.64 : 369,189.16 = 68,631.92 : x - Step 2: Convert to fraction form
246,129.64/369,189.16 = 68,631.92/x - Step 3: Cross multiply
246,129.64x = 369,189.16 × 68,631.92 - Step 4: Simplify right side
246,129.64x = 25,338,160,893.99 - Step 5: Solve for x
x = 25,338,160,893.99/246,129.64 - Step 6: Final answer
x = 102,946.40
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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.