Finding the Fourth Proportional to 178,520.99, 246,358.94 and 102,041.72
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Solution
The fourth proportional to 178,520.99, 246,358.94 and 102,041.72 is: 140,817.56
Step by Step Solution
- Step 1: Write the proportion equation
178,520.99 : 246,358.94 = 102,041.72 : x - Step 2: Convert to fraction form
178,520.99/246,358.94 = 102,041.72/x - Step 3: Cross multiply
178,520.99x = 246,358.94 × 102,041.72 - Step 4: Simplify right side
178,520.99x = 25,138,889,306.24 - Step 5: Solve for x
x = 25,138,889,306.24/178,520.99 - Step 6: Final answer
x = 140,817.56
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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.