Finding the Fourth Proportional to 445,509.90, 668,246.49 and 161,207.19
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Solution
The fourth proportional to 445,509.90, 668,246.49 and 161,207.19 is: 241,804.14
Step by Step Solution
- Step 1: Write the proportion equation
445,509.90 : 668,246.49 = 161,207.19 : x - Step 2: Convert to fraction form
445,509.90/668,246.49 = 161,207.19/x - Step 3: Cross multiply
445,509.90x = 668,246.49 × 161,207.19 - Step 4: Simplify right side
445,509.90x = 107,726,138,880.26 - Step 5: Solve for x
x = 107,726,138,880.26/445,509.90 - Step 6: Final answer
x = 241,804.14
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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.