Finding the Fourth Proportional to 235,146.70, 352,617.99 and 85,337.20
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Solution
The fourth proportional to 235,146.70, 352,617.99 and 85,337.20 is: 127,968.76
Step by Step Solution
- Step 1: Write the proportion equation
235,146.70 : 352,617.99 = 85,337.20 : x - Step 2: Convert to fraction form
235,146.70/352,617.99 = 85,337.20/x - Step 3: Cross multiply
235,146.70x = 352,617.99 × 85,337.20 - Step 4: Simplify right side
235,146.70x = 30,091,431,936.23 - Step 5: Solve for x
x = 30,091,431,936.23/235,146.70 - Step 6: Final answer
x = 127,968.76
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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.