Finding the Fourth Proportional to 752,723.31, 1,128,847.13 and 247,200.99
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Solution
The fourth proportional to 752,723.31, 1,128,847.13 and 247,200.99 is: 370,723.38
Step by Step Solution
- Step 1: Write the proportion equation
752,723.31 : 1,128,847.13 = 247,200.99 : x - Step 2: Convert to fraction form
752,723.31/1,128,847.13 = 247,200.99/x - Step 3: Cross multiply
752,723.31x = 1,128,847.13 × 247,200.99 - Step 4: Simplify right side
752,723.31x = 279,052,126,858.65 - Step 5: Solve for x
x = 279,052,126,858.65/752,723.31 - Step 6: Final answer
x = 370,723.38
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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.