Finding the Fourth Proportional to 173,451.72, 239,315.22 and 109,816.68
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Solution
The fourth proportional to 173,451.72, 239,315.22 and 109,816.68 is: 151,516.53
Step by Step Solution
- Step 1: Write the proportion equation
173,451.72 : 239,315.22 = 109,816.68 : x - Step 2: Convert to fraction form
173,451.72/239,315.22 = 109,816.68/x - Step 3: Cross multiply
173,451.72x = 239,315.22 × 109,816.68 - Step 4: Simplify right side
173,451.72x = 26,280,802,933.87 - Step 5: Solve for x
x = 26,280,802,933.87/173,451.72 - Step 6: Final answer
x = 151,516.53
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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.