Finding the Fourth Proportional to 127,864.64, 176,455.44 and 71,269.88
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Solution
The fourth proportional to 127,864.64, 176,455.44 and 71,269.88 is: 98,353.68
Step by Step Solution
- Step 1: Write the proportion equation
127,864.64 : 176,455.44 = 71,269.88 : x - Step 2: Convert to fraction form
127,864.64/176,455.44 = 71,269.88/x - Step 3: Cross multiply
127,864.64x = 176,455.44 × 71,269.88 - Step 4: Simplify right side
127,864.64x = 12,575,958,034.15 - Step 5: Solve for x
x = 12,575,958,034.15/127,864.64 - Step 6: Final answer
x = 98,353.68
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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.