Finding the Fourth Proportional to 214,884.86, 322,475.36 and 74,643.48
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Solution
The fourth proportional to 214,884.86, 322,475.36 and 74,643.48 is: 112,016.66
Step by Step Solution
- Step 1: Write the proportion equation
214,884.86 : 322,475.36 = 74,643.48 : x - Step 2: Convert to fraction form
214,884.86/322,475.36 = 74,643.48/x - Step 3: Cross multiply
214,884.86x = 322,475.36 × 74,643.48 - Step 4: Simplify right side
214,884.86x = 24,070,682,711.44 - Step 5: Solve for x
x = 24,070,682,711.44/214,884.86 - Step 6: Final answer
x = 112,016.66
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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.