Finding the Fourth Proportional to 274,760.98, 378,980.81 and 193,262.09
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Solution
The fourth proportional to 274,760.98, 378,980.81 and 193,262.09 is: 266,568.50
Step by Step Solution
- Step 1: Write the proportion equation
274,760.98 : 378,980.81 = 193,262.09 : x - Step 2: Convert to fraction form
274,760.98/378,980.81 = 193,262.09/x - Step 3: Cross multiply
274,760.98x = 378,980.81 × 193,262.09 - Step 4: Simplify right side
274,760.98x = 73,242,621,274.01 - Step 5: Solve for x
x = 73,242,621,274.01/274,760.98 - Step 6: Final answer
x = 266,568.50
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1.5x scale
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.