Finding the Fourth Proportional to 197,316.24, 271,924.42 and 142,776.12
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Solution
The fourth proportional to 197,316.24, 271,924.42 and 142,776.12 is: 196,761.88
Step by Step Solution
- Step 1: Write the proportion equation
197,316.24 : 271,924.42 = 142,776.12 : x - Step 2: Convert to fraction form
197,316.24/271,924.42 = 142,776.12/x - Step 3: Cross multiply
197,316.24x = 271,924.42 × 142,776.12 - Step 4: Simplify right side
197,316.24x = 38,824,313,620.85 - Step 5: Solve for x
x = 38,824,313,620.85/197,316.24 - Step 6: Final answer
x = 196,761.88
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.