Finding the Fourth Proportional to 159,970.70, 239,610.45 and 132,322.70
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Solution
The fourth proportional to 159,970.70, 239,610.45 and 132,322.70 is: 198,198.18
Step by Step Solution
- Step 1: Write the proportion equation
159,970.70 : 239,610.45 = 132,322.70 : x - Step 2: Convert to fraction form
159,970.70/239,610.45 = 132,322.70/x - Step 3: Cross multiply
159,970.70x = 239,610.45 × 132,322.70 - Step 4: Simplify right side
159,970.70x = 31,705,901,692.22 - Step 5: Solve for x
x = 31,705,901,692.22/159,970.70 - Step 6: Final answer
x = 198,198.18
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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.