Finding the Fourth Proportional to 271,423.44, 407,005.74 and 121,664.98
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Solution
The fourth proportional to 271,423.44, 407,005.74 and 121,664.98 is: 182,439.46
Step by Step Solution
- Step 1: Write the proportion equation
271,423.44 : 407,005.74 = 121,664.98 : x - Step 2: Convert to fraction form
271,423.44/407,005.74 = 121,664.98/x - Step 3: Cross multiply
271,423.44x = 407,005.74 × 121,664.98 - Step 4: Simplify right side
271,423.44x = 49,518,345,216.99 - Step 5: Solve for x
x = 49,518,345,216.99/271,423.44 - Step 6: Final answer
x = 182,439.46
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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.