Finding the Fourth Proportional to 207,364.64, 286,203.60 and 122,477.60
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Solution
The fourth proportional to 207,364.64, 286,203.60 and 122,477.60 is: 169,042.95
Step by Step Solution
- Step 1: Write the proportion equation
207,364.64 : 286,203.60 = 122,477.60 : x - Step 2: Convert to fraction form
207,364.64/286,203.60 = 122,477.60/x - Step 3: Cross multiply
207,364.64x = 286,203.60 × 122,477.60 - Step 4: Simplify right side
207,364.64x = 35,053,530,039.36 - Step 5: Solve for x
x = 35,053,530,039.36/207,364.64 - Step 6: Final answer
x = 169,042.95
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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.