Finding the Fourth Proportional to 203,660.46, 281,060.28 and 135,567.84
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Solution
The fourth proportional to 203,660.46, 281,060.28 and 135,567.84 is: 187,089.51
Step by Step Solution
- Step 1: Write the proportion equation
203,660.46 : 281,060.28 = 135,567.84 : x - Step 2: Convert to fraction form
203,660.46/281,060.28 = 135,567.84/x - Step 3: Cross multiply
203,660.46x = 281,060.28 × 135,567.84 - Step 4: Simplify right side
203,660.46x = 38,102,735,069.40 - Step 5: Solve for x
x = 38,102,735,069.40/203,660.46 - Step 6: Final answer
x = 187,089.51
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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.