Finding the Fourth Proportional to 203,202.14, 280,421.19 and 112,559.49
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Solution
The fourth proportional to 203,202.14, 280,421.19 and 112,559.49 is: 155,333.34
Step by Step Solution
- Step 1: Write the proportion equation
203,202.14 : 280,421.19 = 112,559.49 : x - Step 2: Convert to fraction form
203,202.14/280,421.19 = 112,559.49/x - Step 3: Cross multiply
203,202.14x = 280,421.19 × 112,559.49 - Step 4: Simplify right side
203,202.14x = 31,564,066,131.59 - Step 5: Solve for x
x = 31,564,066,131.59/203,202.14 - Step 6: Final answer
x = 155,333.34
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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.