Finding the Fourth Proportional to 292,085.23, 403,089.87 and 164,760.79
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Solution
The fourth proportional to 292,085.23, 403,089.87 and 164,760.79 is: 227,376.80
Step by Step Solution
- Step 1: Write the proportion equation
292,085.23 : 403,089.87 = 164,760.79 : x - Step 2: Convert to fraction form
292,085.23/403,089.87 = 164,760.79/x - Step 3: Cross multiply
292,085.23x = 403,089.87 × 164,760.79 - Step 4: Simplify right side
292,085.23x = 66,413,405,422.20 - Step 5: Solve for x
x = 66,413,405,422.20/292,085.23 - Step 6: Final answer
x = 227,376.80
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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.