Finding the Fourth Proportional to 445,007.98, 667,438.12 and 160,643.98
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Solution
The fourth proportional to 445,007.98, 667,438.12 and 160,643.98 is: 240,939.31
Step by Step Solution
- Step 1: Write the proportion equation
445,007.98 : 667,438.12 = 160,643.98 : x - Step 2: Convert to fraction form
445,007.98/667,438.12 = 160,643.98/x - Step 3: Cross multiply
445,007.98x = 667,438.12 × 160,643.98 - Step 4: Simplify right side
445,007.98x = 107,219,916,000.52 - Step 5: Solve for x
x = 107,219,916,000.52/445,007.98 - Step 6: Final answer
x = 240,939.31
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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.