Finding the Fourth Proportional to 311,349.38, 467,024.06 and 100,987.31
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Solution
The fourth proportional to 311,349.38, 467,024.06 and 100,987.31 is: 151,480.96
Step by Step Solution
- Step 1: Write the proportion equation
311,349.38 : 467,024.06 = 100,987.31 : x - Step 2: Convert to fraction form
311,349.38/467,024.06 = 100,987.31/x - Step 3: Cross multiply
311,349.38x = 467,024.06 × 100,987.31 - Step 4: Simplify right side
311,349.38x = 47,163,503,524.68 - Step 5: Solve for x
x = 47,163,503,524.68/311,349.38 - Step 6: Final answer
x = 151,480.96
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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.