Finding the Fourth Proportional to 613,655.09, 920,627.51 and 192,930.96
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Solution
The fourth proportional to 613,655.09, 920,627.51 and 192,930.96 is: 289,441.99
Step by Step Solution
- Step 1: Write the proportion equation
613,655.09 : 920,627.51 = 192,930.96 : x - Step 2: Convert to fraction form
613,655.09/920,627.51 = 192,930.96/x - Step 3: Cross multiply
613,655.09x = 920,627.51 × 192,930.96 - Step 4: Simplify right side
613,655.09x = 177,617,549,789.04 - Step 5: Solve for x
x = 177,617,549,789.04/613,655.09 - Step 6: Final answer
x = 289,441.99
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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.