Finding the Fourth Proportional to 613,338.21, 920,155.55 and 192,614.09
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Solution
The fourth proportional to 613,338.21, 920,155.55 and 192,614.09 is: 288,967.68
Step by Step Solution
- Step 1: Write the proportion equation
613,338.21 : 920,155.55 = 192,614.09 : x - Step 2: Convert to fraction form
613,338.21/920,155.55 = 192,614.09/x - Step 3: Cross multiply
613,338.21x = 920,155.55 × 192,614.09 - Step 4: Simplify right side
613,338.21x = 177,234,918,357.85 - Step 5: Solve for x
x = 177,234,918,357.85/613,338.21 - Step 6: Final answer
x = 288,967.68
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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.