Finding the Fourth Proportional to 246,048.93, 339,545.97 and 138,653.46
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Solution
The fourth proportional to 246,048.93, 339,545.97 and 138,653.46 is: 191,340.90
Step by Step Solution
- Step 1: Write the proportion equation
246,048.93 : 339,545.97 = 138,653.46 : x - Step 2: Convert to fraction form
246,048.93/339,545.97 = 138,653.46/x - Step 3: Cross multiply
246,048.93x = 339,545.97 × 138,653.46 - Step 4: Simplify right side
246,048.93x = 47,079,223,569.56 - Step 5: Solve for x
x = 47,079,223,569.56/246,048.93 - Step 6: Final answer
x = 191,340.90
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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.