Finding the Fourth Proportional to 366,338.88, 549,349.92 and 126,478.08
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Solution
The fourth proportional to 366,338.88, 549,349.92 and 126,478.08 is: 189,662.43
Step by Step Solution
- Step 1: Write the proportion equation
366,338.88 : 549,349.92 = 126,478.08 : x - Step 2: Convert to fraction form
366,338.88/549,349.92 = 126,478.08/x - Step 3: Cross multiply
366,338.88x = 549,349.92 × 126,478.08 - Step 4: Simplify right side
366,338.88x = 69,480,723,129.75 - Step 5: Solve for x
x = 69,480,723,129.75/366,338.88 - Step 6: Final answer
x = 189,662.43
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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.