Finding the Fourth Proportional to 445,195.29, 668,014.37 and 355,330.09
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Solution
The fourth proportional to 445,195.29, 668,014.37 and 355,330.09 is: 533,171.87
Step by Step Solution
- Step 1: Write the proportion equation
445,195.29 : 668,014.37 = 355,330.09 : x - Step 2: Convert to fraction form
445,195.29/668,014.37 = 355,330.09/x - Step 3: Cross multiply
445,195.29x = 668,014.37 × 355,330.09 - Step 4: Simplify right side
445,195.29x = 237,365,605,604.88 - Step 5: Solve for x
x = 237,365,605,604.88/445,195.29 - Step 6: Final answer
x = 533,171.87
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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.