Finding the Fourth Proportional to 311,388.18, 467,260.02 and 121,864.02
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Solution
The fourth proportional to 311,388.18, 467,260.02 and 121,864.02 is: 182,865.59
Step by Step Solution
- Step 1: Write the proportion equation
311,388.18 : 467,260.02 = 121,864.02 : x - Step 2: Convert to fraction form
311,388.18/467,260.02 = 121,864.02/x - Step 3: Cross multiply
311,388.18x = 467,260.02 × 121,864.02 - Step 4: Simplify right side
311,388.18x = 56,942,184,422.48 - Step 5: Solve for x
x = 56,942,184,422.48/311,388.18 - Step 6: Final answer
x = 182,865.59
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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.