Finding the Fourth Proportional to 505,779.12, 758,779.74 and 190,236.06
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Solution
The fourth proportional to 505,779.12, 758,779.74 and 190,236.06 is: 285,395.86
Step by Step Solution
- Step 1: Write the proportion equation
505,779.12 : 758,779.74 = 190,236.06 : x - Step 2: Convert to fraction form
505,779.12/758,779.74 = 190,236.06/x - Step 3: Cross multiply
505,779.12x = 758,779.74 × 190,236.06 - Step 4: Simplify right side
505,779.12x = 144,347,268,145.42 - Step 5: Solve for x
x = 144,347,268,145.42/505,779.12 - Step 6: Final answer
x = 285,395.86
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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.