Finding the Fourth Proportional to 130,305.80, 179,841.30 and 82,563.60
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Solution
The fourth proportional to 130,305.80, 179,841.30 and 82,563.60 is: 113,949.99
Step by Step Solution
- Step 1: Write the proportion equation
130,305.80 : 179,841.30 = 82,563.60 : x - Step 2: Convert to fraction form
130,305.80/179,841.30 = 82,563.60/x - Step 3: Cross multiply
130,305.80x = 179,841.30 × 82,563.60 - Step 4: Simplify right side
130,305.80x = 14,848,345,156.68 - Step 5: Solve for x
x = 14,848,345,156.68/130,305.80 - Step 6: Final answer
x = 113,949.99
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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.