Finding the Fourth Proportional to 127,894.94, 176,495.01 and 71,306.31
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Solution
The fourth proportional to 127,894.94, 176,495.01 and 71,306.31 is: 98,402.70
Step by Step Solution
- Step 1: Write the proportion equation
127,894.94 : 176,495.01 = 71,306.31 : x - Step 2: Convert to fraction form
127,894.94/176,495.01 = 71,306.31/x - Step 3: Cross multiply
127,894.94x = 176,495.01 × 71,306.31 - Step 4: Simplify right side
127,894.94x = 12,585,207,896.51 - Step 5: Solve for x
x = 12,585,207,896.51/127,894.94 - Step 6: Final answer
x = 98,402.70
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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.