Finding the Fourth Proportional to 243,796.74, 336,448.69 and 136,366.44
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Solution
The fourth proportional to 243,796.74, 336,448.69 and 136,366.44 is: 188,190.82
Step by Step Solution
- Step 1: Write the proportion equation
243,796.74 : 336,448.69 = 136,366.44 : x - Step 2: Convert to fraction form
243,796.74/336,448.69 = 136,366.44/x - Step 3: Cross multiply
243,796.74x = 336,448.69 × 136,366.44 - Step 4: Simplify right side
243,796.74x = 45,880,308,495.36 - Step 5: Solve for x
x = 45,880,308,495.36/243,796.74 - Step 6: Final answer
x = 188,190.82
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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.