Finding the Fourth Proportional to 178,598.94, 246,474.63 and 106,977.42
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Solution
The fourth proportional to 178,598.94, 246,474.63 and 106,977.42 is: 147,633.69
Step by Step Solution
- Step 1: Write the proportion equation
178,598.94 : 246,474.63 = 106,977.42 : x - Step 2: Convert to fraction form
178,598.94/246,474.63 = 106,977.42/x - Step 3: Cross multiply
178,598.94x = 246,474.63 × 106,977.42 - Step 4: Simplify right side
178,598.94x = 26,367,220,012.85 - Step 5: Solve for x
x = 26,367,220,012.85/178,598.94 - Step 6: Final answer
x = 147,633.69
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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.