Finding the Fourth Proportional to 197,158.70, 295,628.70 and 84,819.80
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Solution
The fourth proportional to 197,158.70, 295,628.70 and 84,819.80 is: 127,182.66
Step by Step Solution
- Step 1: Write the proportion equation
197,158.70 : 295,628.70 = 84,819.80 : x - Step 2: Convert to fraction form
197,158.70/295,628.70 = 84,819.80/x - Step 3: Cross multiply
197,158.70x = 295,628.70 × 84,819.80 - Step 4: Simplify right side
197,158.70x = 25,075,167,208.26 - Step 5: Solve for x
x = 25,075,167,208.26/197,158.70 - Step 6: Final answer
x = 127,182.66
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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.