Finding the Fourth Proportional to 159,732.79, 239,573.77 and 53,107.88
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Solution
The fourth proportional to 159,732.79, 239,573.77 and 53,107.88 is: 79,653.37
Step by Step Solution
- Step 1: Write the proportion equation
159,732.79 : 239,573.77 = 53,107.88 : x - Step 2: Convert to fraction form
159,732.79/239,573.77 = 53,107.88/x - Step 3: Cross multiply
159,732.79x = 239,573.77 × 53,107.88 - Step 4: Simplify right side
159,732.79x = 12,723,255,028.31 - Step 5: Solve for x
x = 12,723,255,028.31/159,732.79 - Step 6: Final answer
x = 79,653.37
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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.