Finding the Fourth Proportional to 159,283.68, 239,073.42 and 80,453.34
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Solution
The fourth proportional to 159,283.68, 239,073.42 and 80,453.34 is: 120,754.71
Step by Step Solution
- Step 1: Write the proportion equation
159,283.68 : 239,073.42 = 80,453.34 : x - Step 2: Convert to fraction form
159,283.68/239,073.42 = 80,453.34/x - Step 3: Cross multiply
159,283.68x = 239,073.42 × 80,453.34 - Step 4: Simplify right side
159,283.68x = 19,234,255,144.22 - Step 5: Solve for x
x = 19,234,255,144.22/159,283.68 - Step 6: Final answer
x = 120,754.71
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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.