Finding the Fourth Proportional to 208,801.99, 313,049.62 and 66,565.45
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Solution
The fourth proportional to 208,801.99, 313,049.62 and 66,565.45 is: 99,799.28
Step by Step Solution
- Step 1: Write the proportion equation
208,801.99 : 313,049.62 = 66,565.45 : x - Step 2: Convert to fraction form
208,801.99/313,049.62 = 66,565.45/x - Step 3: Cross multiply
208,801.99x = 313,049.62 × 66,565.45 - Step 4: Simplify right side
208,801.99x = 20,838,288,827.63 - Step 5: Solve for x
x = 20,838,288,827.63/208,801.99 - Step 6: Final answer
x = 99,799.28
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.