Finding the Fourth Proportional to 413,305.35, 620,194.55 and 160,553.09
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Solution
The fourth proportional to 413,305.35, 620,194.55 and 160,553.09 is: 240,921.51
Step by Step Solution
- Step 1: Write the proportion equation
413,305.35 : 620,194.55 = 160,553.09 : x - Step 2: Convert to fraction form
413,305.35/620,194.55 = 160,553.09/x - Step 3: Cross multiply
413,305.35x = 620,194.55 × 160,553.09 - Step 4: Simplify right side
413,305.35x = 99,574,147,499.92 - Step 5: Solve for x
x = 99,574,147,499.92/413,305.35 - Step 6: Final answer
x = 240,921.51
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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.