Finding the Fourth Proportional to 356,626.84, 492,112.38 and 205,694.68
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Solution
The fourth proportional to 356,626.84, 492,112.38 and 205,694.68 is: 283,839.82
Step by Step Solution
- Step 1: Write the proportion equation
356,626.84 : 492,112.38 = 205,694.68 : x - Step 2: Convert to fraction form
356,626.84/492,112.38 = 205,694.68/x - Step 3: Cross multiply
356,626.84x = 492,112.38 × 205,694.68 - Step 4: Simplify right side
356,626.84x = 101,224,898,528.14 - Step 5: Solve for x
x = 101,224,898,528.14/356,626.84 - Step 6: Final answer
x = 283,839.82
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.