Finding the Fourth Proportional to 195,644.68, 271,370.95 and 190,459.44
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Solution
The fourth proportional to 195,644.68, 271,370.95 and 190,459.44 is: 264,178.71
Step by Step Solution
- Step 1: Write the proportion equation
195,644.68 : 271,370.95 = 190,459.44 : x - Step 2: Convert to fraction form
195,644.68/271,370.95 = 190,459.44/x - Step 3: Cross multiply
195,644.68x = 271,370.95 × 190,459.44 - Step 4: Simplify right side
195,644.68x = 51,685,157,812.41 - Step 5: Solve for x
x = 51,685,157,812.41/195,644.68 - Step 6: Final answer
x = 264,178.71
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Why These Related Problems?
These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.