Finding the Fourth Proportional to 526,045.20, 789,067.80 and 193,750.80
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Solution
The fourth proportional to 526,045.20, 789,067.80 and 193,750.80 is: 290,626.20
Step by Step Solution
- Step 1: Write the proportion equation
526,045.20 : 789,067.80 = 193,750.80 : x - Step 2: Convert to fraction form
526,045.20/789,067.80 = 193,750.80/x - Step 3: Cross multiply
526,045.20x = 789,067.80 × 193,750.80 - Step 4: Simplify right side
526,045.20x = 152,882,517,504.24 - Step 5: Solve for x
x = 152,882,517,504.24/526,045.20 - Step 6: Final answer
x = 290,626.20
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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.