Finding the Fourth Proportional to 197,157.76, 271,976.64 and 133,473.28
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Solution
The fourth proportional to 197,157.76, 271,976.64 and 133,473.28 is: 184,124.70
Step by Step Solution
- Step 1: Write the proportion equation
197,157.76 : 271,976.64 = 133,473.28 : x - Step 2: Convert to fraction form
197,157.76/271,976.64 = 133,473.28/x - Step 3: Cross multiply
197,157.76x = 271,976.64 × 133,473.28 - Step 4: Simplify right side
197,157.76x = 36,301,614,224.18 - Step 5: Solve for x
x = 36,301,614,224.18/197,157.76 - Step 6: Final answer
x = 184,124.70
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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.