Finding the Fourth Proportional to 310,719.44, 428,728.55 and 181,632.98
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Solution
The fourth proportional to 310,719.44, 428,728.55 and 181,632.98 is: 250,615.94
Step by Step Solution
- Step 1: Write the proportion equation
310,719.44 : 428,728.55 = 181,632.98 : x - Step 2: Convert to fraction form
310,719.44/428,728.55 = 181,632.98/x - Step 3: Cross multiply
310,719.44x = 428,728.55 × 181,632.98 - Step 4: Simplify right side
310,719.44x = 77,871,244,311.24 - Step 5: Solve for x
x = 77,871,244,311.24/310,719.44 - Step 6: Final answer
x = 250,615.94
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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.