Finding the Fourth Proportional to 262,102.08, 392,511.60 and 121,900.80
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Solution
The fourth proportional to 262,102.08, 392,511.60 and 121,900.80 is: 182,552.84
Step by Step Solution
- Step 1: Write the proportion equation
262,102.08 : 392,511.60 = 121,900.80 : x - Step 2: Convert to fraction form
262,102.08/392,511.60 = 121,900.80/x - Step 3: Cross multiply
262,102.08x = 392,511.60 × 121,900.80 - Step 4: Simplify right side
262,102.08x = 47,847,478,049.28 - Step 5: Solve for x
x = 47,847,478,049.28/262,102.08 - Step 6: Final answer
x = 182,552.84
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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.