Finding the Fourth Proportional to 162,894.54, 224,791.62 and 91,274.34
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Solution
The fourth proportional to 162,894.54, 224,791.62 and 91,274.34 is: 125,956.99
Step by Step Solution
- Step 1: Write the proportion equation
162,894.54 : 224,791.62 = 91,274.34 : x - Step 2: Convert to fraction form
162,894.54/224,791.62 = 91,274.34/x - Step 3: Cross multiply
162,894.54x = 224,791.62 × 91,274.34 - Step 4: Simplify right side
162,894.54x = 20,517,706,753.03 - Step 5: Solve for x
x = 20,517,706,753.03/162,894.54 - Step 6: Final answer
x = 125,956.99
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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.