Finding the Fourth Proportional to 171,957.70, 257,936.55 and 154,461.70
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Solution
The fourth proportional to 171,957.70, 257,936.55 and 154,461.70 is: 231,692.55
Step by Step Solution
- Step 1: Write the proportion equation
171,957.70 : 257,936.55 = 154,461.70 : x - Step 2: Convert to fraction form
171,957.70/257,936.55 = 154,461.70/x - Step 3: Cross multiply
171,957.70x = 257,936.55 × 154,461.70 - Step 4: Simplify right side
171,957.70x = 39,841,318,005.14 - Step 5: Solve for x
x = 39,841,318,005.14/171,957.70 - Step 6: Final answer
x = 231,692.55
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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.