Finding the Fourth Proportional to 381,245.36, 526,062.84 and 220,074.80
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Solution
The fourth proportional to 381,245.36, 526,062.84 and 220,074.80 is: 303,671.04
Step by Step Solution
- Step 1: Write the proportion equation
381,245.36 : 526,062.84 = 220,074.80 : x - Step 2: Convert to fraction form
381,245.36/526,062.84 = 220,074.80/x - Step 3: Cross multiply
381,245.36x = 526,062.84 × 220,074.80 - Step 4: Simplify right side
381,245.36x = 115,773,174,300.43 - Step 5: Solve for x
x = 115,773,174,300.43/381,245.36 - Step 6: Final answer
x = 303,671.04
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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.