Finding the Fourth Proportional to 413,358.26, 620,040.71 and 113,855.36
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Solution
The fourth proportional to 413,358.26, 620,040.71 and 113,855.36 is: 170,783.95
Step by Step Solution
- Step 1: Write the proportion equation
413,358.26 : 620,040.71 = 113,855.36 : x - Step 2: Convert to fraction form
413,358.26/620,040.71 = 113,855.36/x - Step 3: Cross multiply
413,358.26x = 620,040.71 × 113,855.36 - Step 4: Simplify right side
413,358.26x = 70,594,955,436.14 - Step 5: Solve for x
x = 70,594,955,436.14/413,358.26 - Step 6: Final answer
x = 170,783.95
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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.