Finding the Fourth Proportional to 492,201.20, 738,263.40 and 192,623.60
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Solution
The fourth proportional to 492,201.20, 738,263.40 and 192,623.60 is: 288,920.37
Step by Step Solution
- Step 1: Write the proportion equation
492,201.20 : 738,263.40 = 192,623.60 : x - Step 2: Convert to fraction form
492,201.20/738,263.40 = 192,623.60/x - Step 3: Cross multiply
492,201.20x = 738,263.40 × 192,623.60 - Step 4: Simplify right side
492,201.20x = 142,206,953,856.24 - Step 5: Solve for x
x = 142,206,953,856.24/492,201.20 - Step 6: Final answer
x = 288,920.37
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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.