Finding the Fourth Proportional to 366,012.09, 549,112.79 and 214,337.26
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Solution
The fourth proportional to 366,012.09, 549,112.79 and 214,337.26 is: 321,561.32
Step by Step Solution
- Step 1: Write the proportion equation
366,012.09 : 549,112.79 = 214,337.26 : x - Step 2: Convert to fraction form
366,012.09/549,112.79 = 214,337.26/x - Step 3: Cross multiply
366,012.09x = 549,112.79 × 214,337.26 - Step 4: Simplify right side
366,012.09x = 117,695,330,839.56 - Step 5: Solve for x
x = 117,695,330,839.56/366,012.09 - Step 6: Final answer
x = 321,561.32
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.