Finding the Fourth Proportional to 197,309.70, 295,964.55 and 118,577.70
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Solution
The fourth proportional to 197,309.70, 295,964.55 and 118,577.70 is: 177,866.55
Step by Step Solution
- Step 1: Write the proportion equation
197,309.70 : 295,964.55 = 118,577.70 : x - Step 2: Convert to fraction form
197,309.70/295,964.55 = 118,577.70/x - Step 3: Cross multiply
197,309.70x = 295,964.55 × 118,577.70 - Step 4: Simplify right side
197,309.70x = 35,094,795,620.54 - Step 5: Solve for x
x = 35,094,795,620.54/197,309.70 - Step 6: Final answer
x = 177,866.55
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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.