Finding the Fourth Proportional to 610,824.26, 842,908.92 and 338,889.26
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Solution
The fourth proportional to 610,824.26, 842,908.92 and 338,889.26 is: 467,651.33
Step by Step Solution
- Step 1: Write the proportion equation
610,824.26 : 842,908.92 = 338,889.26 : x - Step 2: Convert to fraction form
610,824.26/842,908.92 = 338,889.26/x - Step 3: Cross multiply
610,824.26x = 842,908.92 × 338,889.26 - Step 4: Simplify right side
610,824.26x = 285,652,780,146.20 - Step 5: Solve for x
x = 285,652,780,146.20/610,824.26 - Step 6: Final answer
x = 467,651.33
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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.