Finding the Fourth Proportional to 114,818.64, 172,240.92 and 48,246.36
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Solution
The fourth proportional to 114,818.64, 172,240.92 and 48,246.36 is: 72,374.99
Step by Step Solution
- Step 1: Write the proportion equation
114,818.64 : 172,240.92 = 48,246.36 : x - Step 2: Convert to fraction form
114,818.64/172,240.92 = 48,246.36/x - Step 3: Cross multiply
114,818.64x = 172,240.92 × 48,246.36 - Step 4: Simplify right side
114,818.64x = 8,309,997,433.05 - Step 5: Solve for x
x = 8,309,997,433.05/114,818.64 - Step 6: Final answer
x = 72,374.99
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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.