Finding the Fourth Proportional to 194,763.22, 291,968.49 and 76,402.78
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Solution
The fourth proportional to 194,763.22, 291,968.49 and 76,402.78 is: 114,534.99
Step by Step Solution
- Step 1: Write the proportion equation
194,763.22 : 291,968.49 = 76,402.78 : x - Step 2: Convert to fraction form
194,763.22/291,968.49 = 76,402.78/x - Step 3: Cross multiply
194,763.22x = 291,968.49 × 76,402.78 - Step 4: Simplify right side
194,763.22x = 22,307,202,848.56 - Step 5: Solve for x
x = 22,307,202,848.56/194,763.22 - Step 6: Final answer
x = 114,534.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.