Finding the Fourth Proportional to 757,728.18, 1,136,779.38 and 225,246.96
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Solution
The fourth proportional to 757,728.18, 1,136,779.38 and 225,246.96 is: 337,926.06
Step by Step Solution
- Step 1: Write the proportion equation
757,728.18 : 1,136,779.38 = 225,246.96 : x - Step 2: Convert to fraction form
757,728.18/1,136,779.38 = 225,246.96/x - Step 3: Cross multiply
757,728.18x = 1,136,779.38 × 225,246.96 - Step 4: Simplify right side
757,728.18x = 256,056,099,535.69 - Step 5: Solve for x
x = 256,056,099,535.69/757,728.18 - Step 6: Final answer
x = 337,926.06
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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.