Finding the Fourth Proportional to 268,538.56, 370,592.73 and 147,689.19
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Solution
The fourth proportional to 268,538.56, 370,592.73 and 147,689.19 is: 203,816.32
Step by Step Solution
- Step 1: Write the proportion equation
268,538.56 : 370,592.73 = 147,689.19 : x - Step 2: Convert to fraction form
268,538.56/370,592.73 = 147,689.19/x - Step 3: Cross multiply
268,538.56x = 370,592.73 × 147,689.19 - Step 4: Simplify right side
268,538.56x = 54,732,540,113.59 - Step 5: Solve for x
x = 54,732,540,113.59/268,538.56 - Step 6: Final answer
x = 203,816.32
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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.