Finding the Fourth Proportional to 659,779.06, 989,704.43 and 186,501.62
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Solution
The fourth proportional to 659,779.06, 989,704.43 and 186,501.62 is: 279,762.56
Step by Step Solution
- Step 1: Write the proportion equation
659,779.06 : 989,704.43 = 186,501.62 : x - Step 2: Convert to fraction form
659,779.06/989,704.43 = 186,501.62/x - Step 3: Cross multiply
659,779.06x = 989,704.43 × 186,501.62 - Step 4: Simplify right side
659,779.06x = 184,581,479,516.18 - Step 5: Solve for x
x = 184,581,479,516.18/659,779.06 - Step 6: Final answer
x = 279,762.56
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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.