Finding the Fourth Proportional to 269,393.94, 403,973.79 and 77,226.05
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Solution
The fourth proportional to 269,393.94, 403,973.79 and 77,226.05 is: 115,805.50
Step by Step Solution
- Step 1: Write the proportion equation
269,393.94 : 403,973.79 = 77,226.05 : x - Step 2: Convert to fraction form
269,393.94/403,973.79 = 77,226.05/x - Step 3: Cross multiply
269,393.94x = 403,973.79 × 77,226.05 - Step 4: Simplify right side
269,393.94x = 31,197,298,528.12 - Step 5: Solve for x
x = 31,197,298,528.12/269,393.94 - Step 6: Final answer
x = 115,805.50
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.