Finding the Fourth Proportional to 549,388.12, 758,165.62 and 331,597.09
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Solution
The fourth proportional to 549,388.12, 758,165.62 and 331,597.09 is: 457,610.03
Step by Step Solution
- Step 1: Write the proportion equation
549,388.12 : 758,165.62 = 331,597.09 : x - Step 2: Convert to fraction form
549,388.12/758,165.62 = 331,597.09/x - Step 3: Cross multiply
549,388.12x = 758,165.62 × 331,597.09 - Step 4: Simplify right side
549,388.12x = 251,405,514,070.51 - Step 5: Solve for x
x = 251,405,514,070.51/549,388.12 - Step 6: Final answer
x = 457,610.03
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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.