Finding the Fourth Proportional to 271,985.04, 408,141.72 and 193,749.84
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Solution
The fourth proportional to 271,985.04, 408,141.72 and 193,749.84 is: 290,741.70
Step by Step Solution
- Step 1: Write the proportion equation
271,985.04 : 408,141.72 = 193,749.84 : x - Step 2: Convert to fraction form
271,985.04/408,141.72 = 193,749.84/x - Step 3: Cross multiply
271,985.04x = 408,141.72 × 193,749.84 - Step 4: Simplify right side
271,985.04x = 79,077,392,947.32 - Step 5: Solve for x
x = 79,077,392,947.32/271,985.04 - Step 6: Final answer
x = 290,741.70
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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.