Finding the Fourth Proportional to 410,771.63, 616,150.79 and 158,107.01
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Solution
The fourth proportional to 410,771.63, 616,150.79 and 158,107.01 is: 237,157.95
Step by Step Solution
- Step 1: Write the proportion equation
410,771.63 : 616,150.79 = 158,107.01 : x - Step 2: Convert to fraction form
410,771.63/616,150.79 = 158,107.01/x - Step 3: Cross multiply
410,771.63x = 616,150.79 × 158,107.01 - Step 4: Simplify right side
410,771.63x = 97,417,759,865.88 - Step 5: Solve for x
x = 97,417,759,865.88/410,771.63 - Step 6: Final answer
x = 237,157.95
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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.