Finding the Fourth Proportional to 162,974.16, 224,902.32 and 91,354.08
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Solution
The fourth proportional to 162,974.16, 224,902.32 and 91,354.08 is: 126,067.50
Step by Step Solution
- Step 1: Write the proportion equation
162,974.16 : 224,902.32 = 91,354.08 : x - Step 2: Convert to fraction form
162,974.16/224,902.32 = 91,354.08/x - Step 3: Cross multiply
162,974.16x = 224,902.32 × 91,354.08 - Step 4: Simplify right side
162,974.16x = 20,545,744,533.47 - Step 5: Solve for x
x = 20,545,744,533.47/162,974.16 - Step 6: Final answer
x = 126,067.50
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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.