Finding the Fourth Proportional to 68,203.02, 102,294.81 and 21,454.68
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Solution
The fourth proportional to 68,203.02, 102,294.81 and 21,454.68 is: 32,178.96
Step by Step Solution
- Step 1: Write the proportion equation
68,203.02 : 102,294.81 = 21,454.68 : x - Step 2: Convert to fraction form
68,203.02/102,294.81 = 21,454.68/x - Step 3: Cross multiply
68,203.02x = 102,294.81 × 21,454.68 - Step 4: Simplify right side
68,203.02x = 2,194,702,414.21 - Step 5: Solve for x
x = 2,194,702,414.21/68,203.02 - Step 6: Final answer
x = 32,178.96
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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.