Finding the Fourth Proportional to 445,364.26, 668,036.97 and 108,406.79
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Solution
The fourth proportional to 445,364.26, 668,036.97 and 108,406.79 is: 162,607.89
Step by Step Solution
- Step 1: Write the proportion equation
445,364.26 : 668,036.97 = 108,406.79 : x - Step 2: Convert to fraction form
445,364.26/668,036.97 = 108,406.79/x - Step 3: Cross multiply
445,364.26x = 668,036.97 × 108,406.79 - Step 4: Simplify right side
445,364.26x = 72,419,742,683.98 - Step 5: Solve for x
x = 72,419,742,683.98/445,364.26 - Step 6: Final answer
x = 162,607.89
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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.