Finding the Fourth Proportional to 203,523.42, 280,828.68 and 112,864.98
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Solution
The fourth proportional to 203,523.42, 280,828.68 and 112,864.98 is: 155,735.02
Step by Step Solution
- Step 1: Write the proportion equation
203,523.42 : 280,828.68 = 112,864.98 : x - Step 2: Convert to fraction form
203,523.42/280,828.68 = 112,864.98/x - Step 3: Cross multiply
203,523.42x = 280,828.68 × 112,864.98 - Step 4: Simplify right side
203,523.42x = 31,695,723,351.63 - Step 5: Solve for x
x = 31,695,723,351.63/203,523.42 - Step 6: Final answer
x = 155,735.02
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.