Finding the Fourth Proportional to 159,715.84, 239,532.84 and 47,369.80
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Solution
The fourth proportional to 159,715.84, 239,532.84 and 47,369.80 is: 71,042.56
Step by Step Solution
- Step 1: Write the proportion equation
159,715.84 : 239,532.84 = 47,369.80 : x - Step 2: Convert to fraction form
159,715.84/239,532.84 = 47,369.80/x - Step 3: Cross multiply
159,715.84x = 239,532.84 × 47,369.80 - Step 4: Simplify right side
159,715.84x = 11,346,622,724.23 - Step 5: Solve for x
x = 11,346,622,724.23/159,715.84 - Step 6: Final answer
x = 71,042.56
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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.