Finding the Fourth Proportional to 413,193.12, 619,708.08 and 113,596.44
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Solution
The fourth proportional to 413,193.12, 619,708.08 and 113,596.44 is: 170,372.23
Step by Step Solution
- Step 1: Write the proportion equation
413,193.12 : 619,708.08 = 113,596.44 : x - Step 2: Convert to fraction form
413,193.12/619,708.08 = 113,596.44/x - Step 3: Cross multiply
413,193.12x = 619,708.08 × 113,596.44 - Step 4: Simplify right side
413,193.12x = 70,396,631,727.24 - Step 5: Solve for x
x = 70,396,631,727.24/413,193.12 - Step 6: Final answer
x = 170,372.23
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1.5x scale
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.