Finding the Fourth Proportional to 127,782.08, 176,338.88 and 71,192.96
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Solution
The fourth proportional to 127,782.08, 176,338.88 and 71,192.96 is: 98,246.07
Step by Step Solution
- Step 1: Write the proportion equation
127,782.08 : 176,338.88 = 71,192.96 : x - Step 2: Convert to fraction form
127,782.08/176,338.88 = 71,192.96/x - Step 3: Cross multiply
127,782.08x = 176,338.88 × 71,192.96 - Step 4: Simplify right side
127,782.08x = 12,554,086,830.28 - Step 5: Solve for x
x = 12,554,086,830.28/127,782.08 - Step 6: Final answer
x = 98,246.07
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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.