Finding the Fourth Proportional to 173,664.70, 260,497.05 and 84,975.10
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Solution
The fourth proportional to 173,664.70, 260,497.05 and 84,975.10 is: 127,462.65
Step by Step Solution
- Step 1: Write the proportion equation
173,664.70 : 260,497.05 = 84,975.10 : x - Step 2: Convert to fraction form
173,664.70/260,497.05 = 84,975.10/x - Step 3: Cross multiply
173,664.70x = 260,497.05 × 84,975.10 - Step 4: Simplify right side
173,664.70x = 22,135,762,873.46 - Step 5: Solve for x
x = 22,135,762,873.46/173,664.70 - Step 6: Final answer
x = 127,462.65
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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.