Finding the Fourth Proportional to 268,644.96, 370,736.34 and 147,792.96
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Solution
The fourth proportional to 268,644.96, 370,736.34 and 147,792.96 is: 203,957.75
Step by Step Solution
- Step 1: Write the proportion equation
268,644.96 : 370,736.34 = 147,792.96 : x - Step 2: Convert to fraction form
268,644.96/370,736.34 = 147,792.96/x - Step 3: Cross multiply
268,644.96x = 370,736.34 × 147,792.96 - Step 4: Simplify right side
268,644.96x = 54,792,221,068.17 - Step 5: Solve for x
x = 54,792,221,068.17/268,644.96 - Step 6: Final answer
x = 203,957.75
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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.