Finding the Fourth Proportional to 549,836.75, 758,762.26 and 320,379.75
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Solution
The fourth proportional to 549,836.75, 758,762.26 and 320,379.75 is: 442,116.79
Step by Step Solution
- Step 1: Write the proportion equation
549,836.75 : 758,762.26 = 320,379.75 : x - Step 2: Convert to fraction form
549,836.75/758,762.26 = 320,379.75/x - Step 3: Cross multiply
549,836.75x = 758,762.26 × 320,379.75 - Step 4: Simplify right side
549,836.75x = 243,092,062,367.29 - Step 5: Solve for x
x = 243,092,062,367.29/549,836.75 - Step 6: Final answer
x = 442,116.79
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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.