Finding the Fourth Proportional to 508,451.54, 762,378.26 and 192,930.62
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Solution
The fourth proportional to 508,451.54, 762,378.26 and 192,930.62 is: 289,282.46
Step by Step Solution
- Step 1: Write the proportion equation
508,451.54 : 762,378.26 = 192,930.62 : x - Step 2: Convert to fraction form
508,451.54/762,378.26 = 192,930.62/x - Step 3: Cross multiply
508,451.54x = 762,378.26 × 192,930.62 - Step 4: Simplify right side
508,451.54x = 147,086,110,376.32 - Step 5: Solve for x
x = 147,086,110,376.32/508,451.54 - Step 6: Final answer
x = 289,282.46
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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.