Finding the Fourth Proportional to 490,575.08, 677,049.74 and 272,805.48
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Solution
The fourth proportional to 490,575.08, 677,049.74 and 272,805.48 is: 376,502.78
Step by Step Solution
- Step 1: Write the proportion equation
490,575.08 : 677,049.74 = 272,805.48 : x - Step 2: Convert to fraction form
490,575.08/677,049.74 = 272,805.48/x - Step 3: Cross multiply
490,575.08x = 677,049.74 × 272,805.48 - Step 4: Simplify right side
490,575.08x = 184,702,879,304.58 - Step 5: Solve for x
x = 184,702,879,304.58/490,575.08 - Step 6: Final answer
x = 376,502.78
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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.