Finding the Fourth Proportional to 242,700.44, 364,214.70 and 84,930.26
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Solution
The fourth proportional to 242,700.44, 364,214.70 and 84,930.26 is: 127,452.79
Step by Step Solution
- Step 1: Write the proportion equation
242,700.44 : 364,214.70 = 84,930.26 : x - Step 2: Convert to fraction form
242,700.44/364,214.70 = 84,930.26/x - Step 3: Cross multiply
242,700.44x = 364,214.70 × 84,930.26 - Step 4: Simplify right side
242,700.44x = 30,932,849,166.82 - Step 5: Solve for x
x = 30,932,849,166.82/242,700.44 - Step 6: Final answer
x = 127,452.79
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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.