Finding the Fourth Proportional to 455,479.88, 628,514.50 and 264,455.96
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Solution
The fourth proportional to 455,479.88, 628,514.50 and 264,455.96 is: 364,921.51
Step by Step Solution
- Step 1: Write the proportion equation
455,479.88 : 628,514.50 = 264,455.96 : x - Step 2: Convert to fraction form
455,479.88/628,514.50 = 264,455.96/x - Step 3: Cross multiply
455,479.88x = 628,514.50 × 264,455.96 - Step 4: Simplify right side
455,479.88x = 166,214,405,471.42 - Step 5: Solve for x
x = 166,214,405,471.42/455,479.88 - Step 6: Final answer
x = 364,921.51
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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.