Finding the Fourth Proportional to 926,232.93, 1,389,154.99 and 261,229.41
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Solution
The fourth proportional to 926,232.93, 1,389,154.99 and 261,229.41 is: 391,789.28
Step by Step Solution
- Step 1: Write the proportion equation
926,232.93 : 1,389,154.99 = 261,229.41 : x - Step 2: Convert to fraction form
926,232.93/1,389,154.99 = 261,229.41/x - Step 3: Cross multiply
926,232.93x = 1,389,154.99 × 261,229.41 - Step 4: Simplify right side
926,232.93x = 362,888,133,063.66 - Step 5: Solve for x
x = 362,888,133,063.66/926,232.93 - Step 6: Final answer
x = 391,789.28
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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.