Finding the Fourth Proportional to 365,081.80, 547,622.70 and 115,763.80
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Solution
The fourth proportional to 365,081.80, 547,622.70 and 115,763.80 is: 173,645.70
Step by Step Solution
- Step 1: Write the proportion equation
365,081.80 : 547,622.70 = 115,763.80 : x - Step 2: Convert to fraction form
365,081.80/547,622.70 = 115,763.80/x - Step 3: Cross multiply
365,081.80x = 547,622.70 × 115,763.80 - Step 4: Simplify right side
365,081.80x = 63,394,884,718.26 - Step 5: Solve for x
x = 63,394,884,718.26/365,081.80 - Step 6: Final answer
x = 173,645.70
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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.