Finding the Fourth Proportional to 228,664.18, 343,014.05 and 68,727.66
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Solution
The fourth proportional to 228,664.18, 343,014.05 and 68,727.66 is: 103,096.83
Step by Step Solution
- Step 1: Write the proportion equation
228,664.18 : 343,014.05 = 68,727.66 : x - Step 2: Convert to fraction form
228,664.18/343,014.05 = 68,727.66/x - Step 3: Cross multiply
228,664.18x = 343,014.05 × 68,727.66 - Step 4: Simplify right side
228,664.18x = 23,574,553,003.62 - Step 5: Solve for x
x = 23,574,553,003.62/228,664.18 - Step 6: Final answer
x = 103,096.83
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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.