Finding the Fourth Proportional to 268,548.75, 370,597.68 and 155,378.79
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Solution
The fourth proportional to 268,548.75, 370,597.68 and 155,378.79 is: 214,422.96
Step by Step Solution
- Step 1: Write the proportion equation
268,548.75 : 370,597.68 = 155,378.79 : x - Step 2: Convert to fraction form
268,548.75/370,597.68 = 155,378.79/x - Step 3: Cross multiply
268,548.75x = 370,597.68 × 155,378.79 - Step 4: Simplify right side
268,548.75x = 57,583,019,095.21 - Step 5: Solve for x
x = 57,583,019,095.21/268,548.75 - Step 6: Final answer
x = 214,422.96
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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.