Finding the Fourth Proportional to 274,808.18, 412,192.56 and 85,263.68
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Solution
The fourth proportional to 274,808.18, 412,192.56 and 85,263.68 is: 127,889.41
Step by Step Solution
- Step 1: Write the proportion equation
274,808.18 : 412,192.56 = 85,263.68 : x - Step 2: Convert to fraction form
274,808.18/412,192.56 = 85,263.68/x - Step 3: Cross multiply
274,808.18x = 412,192.56 × 85,263.68 - Step 4: Simplify right side
274,808.18x = 35,145,055,884.44 - Step 5: Solve for x
x = 35,145,055,884.44/274,808.18 - Step 6: Final answer
x = 127,889.41
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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.