Finding the Fourth Proportional to 394,833.36, 544,868.24 and 213,545.52
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Solution
The fourth proportional to 394,833.36, 544,868.24 and 213,545.52 is: 294,691.85
Step by Step Solution
- Step 1: Write the proportion equation
394,833.36 : 544,868.24 = 213,545.52 : x - Step 2: Convert to fraction form
394,833.36/544,868.24 = 213,545.52/x - Step 3: Cross multiply
394,833.36x = 544,868.24 × 213,545.52 - Step 4: Simplify right side
394,833.36x = 116,354,171,642.29 - Step 5: Solve for x
x = 116,354,171,642.29/394,833.36 - Step 6: Final answer
x = 294,691.85
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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.