Finding the Fourth Proportional to 246,292.18, 339,876.41 and 138,861.28
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Solution
The fourth proportional to 246,292.18, 339,876.41 and 138,861.28 is: 191,624.73
Step by Step Solution
- Step 1: Write the proportion equation
246,292.18 : 339,876.41 = 138,861.28 : x - Step 2: Convert to fraction form
246,292.18/339,876.41 = 138,861.28/x - Step 3: Cross multiply
246,292.18x = 339,876.41 × 138,861.28 - Step 4: Simplify right side
246,292.18x = 47,195,673,334.40 - Step 5: Solve for x
x = 47,195,673,334.40/246,292.18 - Step 6: Final answer
x = 191,624.73
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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.