Finding the Fourth Proportional to 205,107.36, 283,058.88 and 120,251.68
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Solution
The fourth proportional to 205,107.36, 283,058.88 and 120,251.68 is: 165,953.61
Step by Step Solution
- Step 1: Write the proportion equation
205,107.36 : 283,058.88 = 120,251.68 : x - Step 2: Convert to fraction form
205,107.36/283,058.88 = 120,251.68/x - Step 3: Cross multiply
205,107.36x = 283,058.88 × 120,251.68 - Step 4: Simplify right side
205,107.36x = 34,038,305,858.92 - Step 5: Solve for x
x = 34,038,305,858.92/205,107.36 - Step 6: Final answer
x = 165,953.61
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1.5x scale
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.