Finding the Fourth Proportional to 243,626.49, 336,211.97 and 136,201.05
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Solution
The fourth proportional to 243,626.49, 336,211.97 and 136,201.05 is: 187,961.59
Step by Step Solution
- Step 1: Write the proportion equation
243,626.49 : 336,211.97 = 136,201.05 : x - Step 2: Convert to fraction form
243,626.49/336,211.97 = 136,201.05/x - Step 3: Cross multiply
243,626.49x = 336,211.97 × 136,201.05 - Step 4: Simplify right side
243,626.49x = 45,792,422,655.56 - Step 5: Solve for x
x = 45,792,422,655.56/243,626.49 - Step 6: Final answer
x = 187,961.59
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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.