Finding the Fourth Proportional to 159,732.16, 239,572.84 and 53,107.26
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Solution
The fourth proportional to 159,732.16, 239,572.84 and 53,107.26 is: 79,652.45
Step by Step Solution
- Step 1: Write the proportion equation
159,732.16 : 239,572.84 = 53,107.26 : x - Step 2: Convert to fraction form
159,732.16/239,572.84 = 53,107.26/x - Step 3: Cross multiply
159,732.16x = 239,572.84 × 53,107.26 - Step 4: Simplify right side
159,732.16x = 12,723,057,102.82 - Step 5: Solve for x
x = 12,723,057,102.82/159,732.16 - Step 6: Final answer
x = 79,652.45
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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.