Finding the Fourth Proportional to 168,113.93, 252,207.80 and 49,794.53
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Solution
The fourth proportional to 168,113.93, 252,207.80 and 49,794.53 is: 74,702.72
Step by Step Solution
- Step 1: Write the proportion equation
168,113.93 : 252,207.80 = 49,794.53 : x - Step 2: Convert to fraction form
168,113.93/252,207.80 = 49,794.53/x - Step 3: Cross multiply
168,113.93x = 252,207.80 × 49,794.53 - Step 4: Simplify right side
168,113.93x = 12,558,568,614.36 - Step 5: Solve for x
x = 12,558,568,614.36/168,113.93 - Step 6: Final answer
x = 74,702.72
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.