Finding the Fourth Proportional to 243,134.88, 335,543.04 and 135,725.88
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Solution
The fourth proportional to 243,134.88, 335,543.04 and 135,725.88 is: 187,311.15
Step by Step Solution
- Step 1: Write the proportion equation
243,134.88 : 335,543.04 = 135,725.88 : x - Step 2: Convert to fraction form
243,134.88/335,543.04 = 135,725.88/x - Step 3: Cross multiply
243,134.88x = 335,543.04 × 135,725.88 - Step 4: Simplify right side
243,134.88x = 45,541,874,381.88 - Step 5: Solve for x
x = 45,541,874,381.88/243,134.88 - Step 6: Final answer
x = 187,311.15
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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.