Finding the Fourth Proportional to 205,844.74, 308,767.46 and 135,213.53
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Solution
The fourth proportional to 205,844.74, 308,767.46 and 135,213.53 is: 202,820.52
Step by Step Solution
- Step 1: Write the proportion equation
205,844.74 : 308,767.46 = 135,213.53 : x - Step 2: Convert to fraction form
205,844.74/308,767.46 = 135,213.53/x - Step 3: Cross multiply
205,844.74x = 308,767.46 × 135,213.53 - Step 4: Simplify right side
205,844.74x = 41,749,535,995.83 - Step 5: Solve for x
x = 41,749,535,995.83/205,844.74 - Step 6: Final answer
x = 202,820.52
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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.