Finding the Fourth Proportional to 163,467.72, 245,194.92 and 56,876.07
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Solution
The fourth proportional to 163,467.72, 245,194.92 and 56,876.07 is: 85,311.79
Step by Step Solution
- Step 1: Write the proportion equation
163,467.72 : 245,194.92 = 56,876.07 : x - Step 2: Convert to fraction form
163,467.72/245,194.92 = 56,876.07/x - Step 3: Cross multiply
163,467.72x = 245,194.92 × 56,876.07 - Step 4: Simplify right side
163,467.72x = 13,945,723,433.56 - Step 5: Solve for x
x = 13,945,723,433.56/163,467.72 - Step 6: Final answer
x = 85,311.79
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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.