Finding the Fourth Proportional to 291,889.48, 402,791.84 and 164,556.87
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Solution
The fourth proportional to 291,889.48, 402,791.84 and 164,556.87 is: 227,079.66
Step by Step Solution
- Step 1: Write the proportion equation
291,889.48 : 402,791.84 = 164,556.87 : x - Step 2: Convert to fraction form
291,889.48/402,791.84 = 164,556.87/x - Step 3: Cross multiply
291,889.48x = 402,791.84 × 164,556.87 - Step 4: Simplify right side
291,889.48x = 66,282,161,615.20 - Step 5: Solve for x
x = 66,282,161,615.20/291,889.48 - Step 6: Final answer
x = 227,079.66
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.