Finding the Fourth Proportional to 203,202.26, 280,421.37 and 112,559.62
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Solution
The fourth proportional to 203,202.26, 280,421.37 and 112,559.62 is: 155,333.52
Step by Step Solution
- Step 1: Write the proportion equation
203,202.26 : 280,421.37 = 112,559.62 : x - Step 2: Convert to fraction form
203,202.26/280,421.37 = 112,559.62/x - Step 3: Cross multiply
203,202.26x = 280,421.37 × 112,559.62 - Step 4: Simplify right side
203,202.26x = 31,564,122,847.08 - Step 5: Solve for x
x = 31,564,122,847.08/203,202.26 - Step 6: Final answer
x = 155,333.52
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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.