Finding the Fourth Proportional to 245,439.80, 368,163.10 and 161,735.80
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Solution
The fourth proportional to 245,439.80, 368,163.10 and 161,735.80 is: 242,605.94
Step by Step Solution
- Step 1: Write the proportion equation
245,439.80 : 368,163.10 = 161,735.80 : x - Step 2: Convert to fraction form
245,439.80/368,163.10 = 161,735.80/x - Step 3: Cross multiply
245,439.80x = 368,163.10 × 161,735.80 - Step 4: Simplify right side
245,439.80x = 59,545,153,508.98 - Step 5: Solve for x
x = 59,545,153,508.98/245,439.80 - Step 6: Final answer
x = 242,605.94
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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.