Finding the Fourth Proportional to 312,744.42, 431,587.04 and 169,504.42
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Solution
The fourth proportional to 312,744.42, 431,587.04 and 169,504.42 is: 233,915.96
Step by Step Solution
- Step 1: Write the proportion equation
312,744.42 : 431,587.04 = 169,504.42 : x - Step 2: Convert to fraction form
312,744.42/431,587.04 = 169,504.42/x - Step 3: Cross multiply
312,744.42x = 431,587.04 × 169,504.42 - Step 4: Simplify right side
312,744.42x = 73,155,910,894.72 - Step 5: Solve for x
x = 73,155,910,894.72/312,744.42 - Step 6: Final answer
x = 233,915.96
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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.