Finding the Fourth Proportional to 613,514.76, 920,365.02 and 192,751.08
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Solution
The fourth proportional to 613,514.76, 920,365.02 and 192,751.08 is: 289,155.80
Step by Step Solution
- Step 1: Write the proportion equation
613,514.76 : 920,365.02 = 192,751.08 : x - Step 2: Convert to fraction form
613,514.76/920,365.02 = 192,751.08/x - Step 3: Cross multiply
613,514.76x = 920,365.02 × 192,751.08 - Step 4: Simplify right side
613,514.76x = 177,401,351,599.22 - Step 5: Solve for x
x = 177,401,351,599.22/613,514.76 - Step 6: Final answer
x = 289,155.80
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.