Finding the Fourth Proportional to 397,906.56, 549,149.76 and 297,129.60
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Solution
The fourth proportional to 397,906.56, 549,149.76 and 297,129.60 is: 410,067.75
Step by Step Solution
- Step 1: Write the proportion equation
397,906.56 : 549,149.76 = 297,129.60 : x - Step 2: Convert to fraction form
397,906.56/549,149.76 = 297,129.60/x - Step 3: Cross multiply
397,906.56x = 549,149.76 × 297,129.60 - Step 4: Simplify right side
397,906.56x = 163,168,648,528.90 - Step 5: Solve for x
x = 163,168,648,528.90/397,906.56 - Step 6: Final answer
x = 410,067.75
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.