Finding the Fourth Proportional to 203,537.80, 305,306.70 and 70,373.80
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Solution
The fourth proportional to 203,537.80, 305,306.70 and 70,373.80 is: 105,560.70
Step by Step Solution
- Step 1: Write the proportion equation
203,537.80 : 305,306.70 = 70,373.80 : x - Step 2: Convert to fraction form
203,537.80/305,306.70 = 70,373.80/x - Step 3: Cross multiply
203,537.80x = 305,306.70 × 70,373.80 - Step 4: Simplify right side
203,537.80x = 21,485,592,644.46 - Step 5: Solve for x
x = 21,485,592,644.46/203,537.80 - Step 6: Final answer
x = 105,560.70
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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.