Finding the Fourth Proportional to 161,006.24, 241,431.68 and 67,486.88
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Solution
The fourth proportional to 161,006.24, 241,431.68 and 67,486.88 is: 101,197.76
Step by Step Solution
- Step 1: Write the proportion equation
161,006.24 : 241,431.68 = 67,486.88 : x - Step 2: Convert to fraction form
161,006.24/241,431.68 = 67,486.88/x - Step 3: Cross multiply
161,006.24x = 241,431.68 × 67,486.88 - Step 4: Simplify right side
161,006.24x = 16,293,470,816.36 - Step 5: Solve for x
x = 16,293,470,816.36/161,006.24 - Step 6: Final answer
x = 101,197.76
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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.