Finding the Fourth Proportional to 275,756.13, 413,659.71 and 107,289.09
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Solution
The fourth proportional to 275,756.13, 413,659.71 and 107,289.09 is: 160,943.56
Step by Step Solution
- Step 1: Write the proportion equation
275,756.13 : 413,659.71 = 107,289.09 : x - Step 2: Convert to fraction form
275,756.13/413,659.71 = 107,289.09/x - Step 3: Cross multiply
275,756.13x = 413,659.71 × 107,289.09 - Step 4: Simplify right side
275,756.13x = 44,381,173,855.56 - Step 5: Solve for x
x = 44,381,173,855.56/275,756.13 - Step 6: Final answer
x = 160,943.56
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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.