Finding the Fourth Proportional to 455,242.48, 628,447.21 and 264,218.96
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Solution
The fourth proportional to 455,242.48, 628,447.21 and 264,218.96 is: 364,745.55
Step by Step Solution
- Step 1: Write the proportion equation
455,242.48 : 628,447.21 = 264,218.96 : x - Step 2: Convert to fraction form
455,242.48/628,447.21 = 264,218.96/x - Step 3: Cross multiply
455,242.48x = 628,447.21 × 264,218.96 - Step 4: Simplify right side
455,242.48x = 166,047,669,151.67 - Step 5: Solve for x
x = 166,047,669,151.67/455,242.48 - Step 6: Final answer
x = 364,745.55
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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.