Finding the Fourth Proportional to 246,163.12, 339,705.42 and 132,985.88
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Solution
The fourth proportional to 246,163.12, 339,705.42 and 132,985.88 is: 183,520.68
Step by Step Solution
- Step 1: Write the proportion equation
246,163.12 : 339,705.42 = 132,985.88 : x - Step 2: Convert to fraction form
246,163.12/339,705.42 = 132,985.88/x - Step 3: Cross multiply
246,163.12x = 339,705.42 × 132,985.88 - Step 4: Simplify right side
246,163.12x = 45,176,024,219.47 - Step 5: Solve for x
x = 45,176,024,219.47/246,163.12 - Step 6: Final answer
x = 183,520.68
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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.