Finding the Fourth Proportional to 178,367.57, 246,137.84 and 101,871.63
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Solution
The fourth proportional to 178,367.57, 246,137.84 and 101,871.63 is: 140,577.47
Step by Step Solution
- Step 1: Write the proportion equation
178,367.57 : 246,137.84 = 101,871.63 : x - Step 2: Convert to fraction form
178,367.57/246,137.84 = 101,871.63/x - Step 3: Cross multiply
178,367.57x = 246,137.84 × 101,871.63 - Step 4: Simplify right side
178,367.57x = 25,074,461,734.79 - Step 5: Solve for x
x = 25,074,461,734.79/178,367.57 - Step 6: Final answer
x = 140,577.47
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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.