Finding the Fourth Proportional to 181,739.48, 272,588.34 and 48,630.20
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Solution
The fourth proportional to 181,739.48, 272,588.34 and 48,630.20 is: 72,939.71
Step by Step Solution
- Step 1: Write the proportion equation
181,739.48 : 272,588.34 = 48,630.20 : x - Step 2: Convert to fraction form
181,739.48/272,588.34 = 48,630.20/x - Step 3: Cross multiply
181,739.48x = 272,588.34 × 48,630.20 - Step 4: Simplify right side
181,739.48x = 13,256,025,491.87 - Step 5: Solve for x
x = 13,256,025,491.87/181,739.48 - Step 6: Final answer
x = 72,939.71
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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.