Finding the Fourth Proportional to 129,937.04, 194,889.36 and 36,450.08
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Solution
The fourth proportional to 129,937.04, 194,889.36 and 36,450.08 is: 54,670.58
Step by Step Solution
- Step 1: Write the proportion equation
129,937.04 : 194,889.36 = 36,450.08 : x - Step 2: Convert to fraction form
129,937.04/194,889.36 = 36,450.08/x - Step 3: Cross multiply
129,937.04x = 194,889.36 × 36,450.08 - Step 4: Simplify right side
129,937.04x = 7,103,732,763.15 - Step 5: Solve for x
x = 7,103,732,763.15/129,937.04 - Step 6: Final answer
x = 54,670.58
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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.