Finding the Fourth Proportional to 136,239.74, 204,360.75 and 47,493.08
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Solution
The fourth proportional to 136,239.74, 204,360.75 and 47,493.08 is: 71,240.01
Step by Step Solution
- Step 1: Write the proportion equation
136,239.74 : 204,360.75 = 47,493.08 : x - Step 2: Convert to fraction form
136,239.74/204,360.75 = 47,493.08/x - Step 3: Cross multiply
136,239.74x = 204,360.75 × 47,493.08 - Step 4: Simplify right side
136,239.74x = 9,705,720,426.81 - Step 5: Solve for x
x = 9,705,720,426.81/136,239.74 - Step 6: Final answer
x = 71,240.01
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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.