Finding the Fourth Proportional to 304,825.16, 420,769.14 and 248,138.12
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Solution
The fourth proportional to 304,825.16, 420,769.14 and 248,138.12 is: 342,520.49
Step by Step Solution
- Step 1: Write the proportion equation
304,825.16 : 420,769.14 = 248,138.12 : x - Step 2: Convert to fraction form
304,825.16/420,769.14 = 248,138.12/x - Step 3: Cross multiply
304,825.16x = 420,769.14 × 248,138.12 - Step 4: Simplify right side
304,825.16x = 104,408,863,353.62 - Step 5: Solve for x
x = 104,408,863,353.62/304,825.16 - Step 6: Final answer
x = 342,520.49
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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.