Finding the Fourth Proportional to 159,487.52, 239,233.12 and 68,290.64
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Solution
The fourth proportional to 159,487.52, 239,233.12 and 68,290.64 is: 102,436.75
Step by Step Solution
- Step 1: Write the proportion equation
159,487.52 : 239,233.12 = 68,290.64 : x - Step 2: Convert to fraction form
159,487.52/239,233.12 = 68,290.64/x - Step 3: Cross multiply
159,487.52x = 239,233.12 × 68,290.64 - Step 4: Simplify right side
159,487.52x = 16,337,382,874.00 - Step 5: Solve for x
x = 16,337,382,874.00/159,487.52 - Step 6: Final answer
x = 102,436.75
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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.