Finding the Fourth Proportional to 311,885.62, 467,627.28 and 122,365.14
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Solution
The fourth proportional to 311,885.62, 467,627.28 and 122,365.14 is: 183,468.79
Step by Step Solution
- Step 1: Write the proportion equation
311,885.62 : 467,627.28 = 122,365.14 : x - Step 2: Convert to fraction form
311,885.62/467,627.28 = 122,365.14/x - Step 3: Cross multiply
311,885.62x = 467,627.28 × 122,365.14 - Step 4: Simplify right side
311,885.62x = 57,221,277,585.02 - Step 5: Solve for x
x = 57,221,277,585.02/311,885.62 - Step 6: Final answer
x = 183,468.79
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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.