Finding the Fourth Proportional to 194,438.80, 291,220.80 and 115,706.80
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Solution
The fourth proportional to 194,438.80, 291,220.80 and 115,706.80 is: 173,299.91
Step by Step Solution
- Step 1: Write the proportion equation
194,438.80 : 291,220.80 = 115,706.80 : x - Step 2: Convert to fraction form
194,438.80/291,220.80 = 115,706.80/x - Step 3: Cross multiply
194,438.80x = 291,220.80 × 115,706.80 - Step 4: Simplify right side
194,438.80x = 33,696,226,861.44 - Step 5: Solve for x
x = 33,696,226,861.44/194,438.80 - Step 6: Final answer
x = 173,299.91
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.