Finding the Fourth Proportional to 239,366.84, 330,311.22 and 131,930.96
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Solution
The fourth proportional to 239,366.84, 330,311.22 and 131,930.96 is: 182,056.45
Step by Step Solution
- Step 1: Write the proportion equation
239,366.84 : 330,311.22 = 131,930.96 : x - Step 2: Convert to fraction form
239,366.84/330,311.22 = 131,930.96/x - Step 3: Cross multiply
239,366.84x = 330,311.22 × 131,930.96 - Step 4: Simplify right side
239,366.84x = 43,578,276,353.37 - Step 5: Solve for x
x = 43,578,276,353.37/239,366.84 - Step 6: Final answer
x = 182,056.45
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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.