Finding the Fourth Proportional to 302,806.44, 417,877.75 and 166,838.42
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Solution
The fourth proportional to 302,806.44, 417,877.75 and 166,838.42 is: 230,239.70
Step by Step Solution
- Step 1: Write the proportion equation
302,806.44 : 417,877.75 = 166,838.42 : x - Step 2: Convert to fraction form
302,806.44/417,877.75 = 166,838.42/x - Step 3: Cross multiply
302,806.44x = 417,877.75 × 166,838.42 - Step 4: Simplify right side
302,806.44x = 69,718,063,563.16 - Step 5: Solve for x
x = 69,718,063,563.16/302,806.44 - Step 6: Final answer
x = 230,239.70
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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.