Finding the Fourth Proportional to 159,721.88, 239,512.65 and 59,811.99
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Solution
The fourth proportional to 159,721.88, 239,512.65 and 59,811.99 is: 89,691.72
Step by Step Solution
- Step 1: Write the proportion equation
159,721.88 : 239,512.65 = 59,811.99 : x - Step 2: Convert to fraction form
159,721.88/239,512.65 = 59,811.99/x - Step 3: Cross multiply
159,721.88x = 239,512.65 × 59,811.99 - Step 4: Simplify right side
159,721.88x = 14,325,729,125.09 - Step 5: Solve for x
x = 14,325,729,125.09/159,721.88 - Step 6: Final answer
x = 89,691.72
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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.