Finding the Fourth Proportional to 288,969.46, 398,858.00 and 168,134.09
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Solution
The fourth proportional to 288,969.46, 398,858.00 and 168,134.09 is: 232,071.67
Step by Step Solution
- Step 1: Write the proportion equation
288,969.46 : 398,858.00 = 168,134.09 : x - Step 2: Convert to fraction form
288,969.46/398,858.00 = 168,134.09/x - Step 3: Cross multiply
288,969.46x = 398,858.00 × 168,134.09 - Step 4: Simplify right side
288,969.46x = 67,061,624,034.26 - Step 5: Solve for x
x = 67,061,624,034.26/288,969.46 - Step 6: Final answer
x = 232,071.67
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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.