Finding the Fourth Proportional to 68,827.09, 103,228.29 and 18,226.44
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Solution
The fourth proportional to 68,827.09, 103,228.29 and 18,226.44 is: 27,336.39
Step by Step Solution
- Step 1: Write the proportion equation
68,827.09 : 103,228.29 = 18,226.44 : x - Step 2: Convert to fraction form
68,827.09/103,228.29 = 18,226.44/x - Step 3: Cross multiply
68,827.09x = 103,228.29 × 18,226.44 - Step 4: Simplify right side
68,827.09x = 1,881,484,233.99 - Step 5: Solve for x
x = 1,881,484,233.99/68,827.09 - Step 6: Final answer
x = 27,336.39
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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.