Finding the Fourth Proportional to 146,372.92, 201,994.56 and 79,304.92
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Solution
The fourth proportional to 146,372.92, 201,994.56 and 79,304.92 is: 109,440.75
Step by Step Solution
- Step 1: Write the proportion equation
146,372.92 : 201,994.56 = 79,304.92 : x - Step 2: Convert to fraction form
146,372.92/201,994.56 = 79,304.92/x - Step 3: Cross multiply
146,372.92x = 201,994.56 × 79,304.92 - Step 4: Simplify right side
146,372.92x = 16,019,162,421.24 - Step 5: Solve for x
x = 16,019,162,421.24/146,372.92 - Step 6: Final answer
x = 109,440.75
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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.