Finding the Fourth Proportional to 291,121.01, 436,656.41 and 177,239.33
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Solution
The fourth proportional to 291,121.01, 436,656.41 and 177,239.33 is: 265,843.70
Step by Step Solution
- Step 1: Write the proportion equation
291,121.01 : 436,656.41 = 177,239.33 : x - Step 2: Convert to fraction form
291,121.01/436,656.41 = 177,239.33/x - Step 3: Cross multiply
291,121.01x = 436,656.41 × 177,239.33 - Step 4: Simplify right side
291,121.01x = 77,392,686,479.13 - Step 5: Solve for x
x = 77,392,686,479.13/291,121.01 - Step 6: Final answer
x = 265,843.70
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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.