Finding the Fourth Proportional to 268,846.66, 370,964.98 and 154,104.19
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Solution
The fourth proportional to 268,846.66, 370,964.98 and 154,104.19 is: 212,638.90
Step by Step Solution
- Step 1: Write the proportion equation
268,846.66 : 370,964.98 = 154,104.19 : x - Step 2: Convert to fraction form
268,846.66/370,964.98 = 154,104.19/x - Step 3: Cross multiply
268,846.66x = 370,964.98 × 154,104.19 - Step 4: Simplify right side
268,846.66x = 57,167,257,761.27 - Step 5: Solve for x
x = 57,167,257,761.27/268,846.66 - Step 6: Final answer
x = 212,638.90
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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.