Finding the Fourth Proportional to 208,957.23, 313,457.72 and 68,726.79
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Solution
The fourth proportional to 208,957.23, 313,457.72 and 68,726.79 is: 103,097.38
Step by Step Solution
- Step 1: Write the proportion equation
208,957.23 : 313,457.72 = 68,726.79 : x - Step 2: Convert to fraction form
208,957.23/313,457.72 = 68,726.79/x - Step 3: Cross multiply
208,957.23x = 313,457.72 × 68,726.79 - Step 4: Simplify right side
208,957.23x = 21,542,942,552.68 - Step 5: Solve for x
x = 21,542,942,552.68/208,957.23 - Step 6: Final answer
x = 103,097.38
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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.