Finding the Fourth Proportional to 207,392.05, 286,206.40 and 116,751.30
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Solution
The fourth proportional to 207,392.05, 286,206.40 and 116,751.30 is: 161,119.82
Step by Step Solution
- Step 1: Write the proportion equation
207,392.05 : 286,206.40 = 116,751.30 : x - Step 2: Convert to fraction form
207,392.05/286,206.40 = 116,751.30/x - Step 3: Cross multiply
207,392.05x = 286,206.40 × 116,751.30 - Step 4: Simplify right side
207,392.05x = 33,414,969,268.32 - Step 5: Solve for x
x = 33,414,969,268.32/207,392.05 - Step 6: Final answer
x = 161,119.82
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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.