Finding the Fourth Proportional to 129,353.02, 194,029.58 and 58,192.54
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Solution
The fourth proportional to 129,353.02, 194,029.58 and 58,192.54 is: 87,288.83
Step by Step Solution
- Step 1: Write the proportion equation
129,353.02 : 194,029.58 = 58,192.54 : x - Step 2: Convert to fraction form
129,353.02/194,029.58 = 58,192.54/x - Step 3: Cross multiply
129,353.02x = 194,029.58 × 58,192.54 - Step 4: Simplify right side
129,353.02x = 11,291,072,834.22 - Step 5: Solve for x
x = 11,291,072,834.22/129,353.02 - Step 6: Final answer
x = 87,288.83
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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.