Finding the Fourth Proportional to 298,690.26, 412,192.44 and 164,554.26
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Solution
The fourth proportional to 298,690.26, 412,192.44 and 164,554.26 is: 227,084.81
Step by Step Solution
- Step 1: Write the proportion equation
298,690.26 : 412,192.44 = 164,554.26 : x - Step 2: Convert to fraction form
298,690.26/412,192.44 = 164,554.26/x - Step 3: Cross multiply
298,690.26x = 412,192.44 × 164,554.26 - Step 4: Simplify right side
298,690.26x = 67,828,021,941.79 - Step 5: Solve for x
x = 67,828,021,941.79/298,690.26 - Step 6: Final answer
x = 227,084.81
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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.