Finding the Fourth Proportional to 388,102.92, 582,178.95 and 121,873.92
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Solution
The fourth proportional to 388,102.92, 582,178.95 and 121,873.92 is: 182,818.60
Step by Step Solution
- Step 1: Write the proportion equation
388,102.92 : 582,178.95 = 121,873.92 : x - Step 2: Convert to fraction form
388,102.92/582,178.95 = 121,873.92/x - Step 3: Cross multiply
388,102.92x = 582,178.95 × 121,873.92 - Step 4: Simplify right side
388,102.92x = 70,952,430,777.98 - Step 5: Solve for x
x = 70,952,430,777.98/388,102.92 - Step 6: Final answer
x = 182,818.60
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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.