Finding the Fourth Proportional to 272,562.45, 408,843.68 and 122,971.65
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Solution
The fourth proportional to 272,562.45, 408,843.68 and 122,971.65 is: 184,457.48
Step by Step Solution
- Step 1: Write the proportion equation
272,562.45 : 408,843.68 = 122,971.65 : x - Step 2: Convert to fraction form
272,562.45/408,843.68 = 122,971.65/x - Step 3: Cross multiply
272,562.45x = 408,843.68 × 122,971.65 - Step 4: Simplify right side
272,562.45x = 50,276,181,306.81 - Step 5: Solve for x
x = 50,276,181,306.81/272,562.45 - Step 6: Final answer
x = 184,457.48
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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.