Finding the Fourth Proportional to 661,761.08, 992,157.66 and 212,226.08
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Solution
The fourth proportional to 661,761.08, 992,157.66 and 212,226.08 is: 318,183.91
Step by Step Solution
- Step 1: Write the proportion equation
661,761.08 : 992,157.66 = 212,226.08 : x - Step 2: Convert to fraction form
661,761.08/992,157.66 = 212,226.08/x - Step 3: Cross multiply
661,761.08x = 992,157.66 × 212,226.08 - Step 4: Simplify right side
661,761.08x = 210,561,730,923.77 - Step 5: Solve for x
x = 210,561,730,923.77/661,761.08 - Step 6: Final answer
x = 318,183.91
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.