Finding the Fourth Proportional to 127,893.94, 176,493.63 and 71,305.31
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Solution
The fourth proportional to 127,893.94, 176,493.63 and 71,305.31 is: 98,401.33
Step by Step Solution
- Step 1: Write the proportion equation
127,893.94 : 176,493.63 = 71,305.31 : x - Step 2: Convert to fraction form
127,893.94/176,493.63 = 71,305.31/x - Step 3: Cross multiply
127,893.94x = 176,493.63 × 71,305.31 - Step 4: Simplify right side
127,893.94x = 12,584,933,708.80 - Step 5: Solve for x
x = 12,584,933,708.80/127,893.94 - Step 6: Final answer
x = 98,401.33
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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.