Finding the Fourth Proportional to 365,005.80, 547,508.67 and 115,687.80
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Solution
The fourth proportional to 365,005.80, 547,508.67 and 115,687.80 is: 173,531.69
Step by Step Solution
- Step 1: Write the proportion equation
365,005.80 : 547,508.67 = 115,687.80 : x - Step 2: Convert to fraction form
365,005.80/547,508.67 = 115,687.80/x - Step 3: Cross multiply
365,005.80x = 547,508.67 × 115,687.80 - Step 4: Simplify right side
365,005.80x = 63,340,073,513.23 - Step 5: Solve for x
x = 63,340,073,513.23/365,005.80 - Step 6: Final answer
x = 173,531.69
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1.5x scale
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.