Finding the Fourth Proportional to 246,290.18, 339,873.66 and 138,859.28
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Solution
The fourth proportional to 246,290.18, 339,873.66 and 138,859.28 is: 191,621.98
Step by Step Solution
- Step 1: Write the proportion equation
246,290.18 : 339,873.66 = 138,859.28 : x - Step 2: Convert to fraction form
246,290.18/339,873.66 = 138,859.28/x - Step 3: Cross multiply
246,290.18x = 339,873.66 × 138,859.28 - Step 4: Simplify right side
246,290.18x = 47,194,611,718.56 - Step 5: Solve for x
x = 47,194,611,718.56/246,290.18 - Step 6: Final answer
x = 191,621.98
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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.