Finding the Fourth Proportional to 292,114.89, 403,122.47 and 164,790.09
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Solution
The fourth proportional to 292,114.89, 403,122.47 and 164,790.09 is: 227,412.53
Step by Step Solution
- Step 1: Write the proportion equation
292,114.89 : 403,122.47 = 164,790.09 : x - Step 2: Convert to fraction form
292,114.89/403,122.47 = 164,790.09/x - Step 3: Cross multiply
292,114.89x = 403,122.47 × 164,790.09 - Step 4: Simplify right side
292,114.89x = 66,430,587,288.37 - Step 5: Solve for x
x = 66,430,587,288.37/292,114.89 - Step 6: Final answer
x = 227,412.53
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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.