Finding the Fourth Proportional to 356,792.80, 492,396.83 and 235,721.70
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Solution
The fourth proportional to 356,792.80, 492,396.83 and 235,721.70 is: 325,310.99
Step by Step Solution
- Step 1: Write the proportion equation
356,792.80 : 492,396.83 = 235,721.70 : x - Step 2: Convert to fraction form
356,792.80/492,396.83 = 235,721.70/x - Step 3: Cross multiply
356,792.80x = 492,396.83 × 235,721.70 - Step 4: Simplify right side
356,792.80x = 116,068,617,842.21 - Step 5: Solve for x
x = 116,068,617,842.21/356,792.80 - Step 6: Final answer
x = 325,310.99
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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.