Finding the Fourth Proportional to 414,757.56, 621,139.74 and 236,724.84
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Solution
The fourth proportional to 414,757.56, 621,139.74 and 236,724.84 is: 354,518.45
Step by Step Solution
- Step 1: Write the proportion equation
414,757.56 : 621,139.74 = 236,724.84 : x - Step 2: Convert to fraction form
414,757.56/621,139.74 = 236,724.84/x - Step 3: Cross multiply
414,757.56x = 621,139.74 × 236,724.84 - Step 4: Simplify right side
414,757.56x = 147,039,205,569.14 - Step 5: Solve for x
x = 147,039,205,569.14/414,757.56 - Step 6: Final answer
x = 354,518.45
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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.